From: John Audia Date: Mon, 20 Nov 2023 13:23:17 +0000 (-0500) Subject: kernel: bump 5.15 to 5.15.139 X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=df167450a5094034bf4c5ad6fbfce502b09662bb;p=openwrt%2Fstaging%2F981213.git kernel: bump 5.15 to 5.15.139 Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139 Removed upstreamed: backport-5.15/830-v6.6-2-leds-turris-omnia-Drop-unnecessary-mutex-locking.patch[1] backport-5.15/830-v6.7-1-leds-turris-omnia-Do-not-use-SMBUS-calls.patch[2] x86/patches-5.15/120-hwrng-geode-fix-accessing-registers.patch[3] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.139&id=aec3706971b332af8321b2beccba981b8061489a 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.139&id=893eedf596dd81c7a7f0cd80b345956ae000eab9 3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.139&id=a5c83c8043d70b9a28d1bd78a2dbbab340f43889 Build system: x86_64 Build-tested: ramips/tplink_archer-a6-v3 Run-tested: ramips/tplink_archer-a6-v3 Signed-off-by: John Audia --- diff --git a/include/kernel-5.15 b/include/kernel-5.15 index 6c2be5b354..30ee7cd866 100644 --- a/include/kernel-5.15 +++ b/include/kernel-5.15 @@ -1,2 +1,2 @@ -LINUX_VERSION-5.15 = .138 -LINUX_KERNEL_HASH-5.15.138 = af84e54164e1c01f59764ba528448ed36b377d22aafbd81b4b0cf47792ef4aaa +LINUX_VERSION-5.15 = .139 +LINUX_KERNEL_HASH-5.15.139 = 9c68c10dfe18e59b892e940436dea6a18d167160d55e62563cf7282244d8044e diff --git a/target/linux/generic/backport-5.15/020-v6.1-08-mm-multi-gen-LRU-support-page-table-walks.patch b/target/linux/generic/backport-5.15/020-v6.1-08-mm-multi-gen-LRU-support-page-table-walks.patch index 754d97d84b..43fd69ae79 100644 --- a/target/linux/generic/backport-5.15/020-v6.1-08-mm-multi-gen-LRU-support-page-table-walks.patch +++ b/target/linux/generic/backport-5.15/020-v6.1-08-mm-multi-gen-LRU-support-page-table-walks.patch @@ -414,7 +414,7 @@ Signed-off-by: Andrew Morton /* forking complete and child started to run, tell ptracer */ --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -5010,6 +5010,7 @@ context_switch(struct rq *rq, struct tas +@@ -5014,6 +5014,7 @@ context_switch(struct rq *rq, struct tas * finish_task_switch()'s mmdrop(). */ switch_mm_irqs_off(prev->active_mm, next->mm, next); diff --git a/target/linux/generic/backport-5.15/350-v5.18-regmap-add-configurable-downshift-for-addresses.patch b/target/linux/generic/backport-5.15/350-v5.18-regmap-add-configurable-downshift-for-addresses.patch index 99cd89ea00..7bb328f3a6 100644 --- a/target/linux/generic/backport-5.15/350-v5.18-regmap-add-configurable-downshift-for-addresses.patch +++ b/target/linux/generic/backport-5.15/350-v5.18-regmap-add-configurable-downshift-for-addresses.patch @@ -37,7 +37,7 @@ Signed-off-by: Mark Brown map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8); map->format.buf_size = DIV_ROUND_UP(config->reg_bits + config->val_bits + config->pad_bits, 8); -@@ -1735,6 +1736,7 @@ static int _regmap_raw_write_impl(struct +@@ -1737,6 +1738,7 @@ static int _regmap_raw_write_impl(struct return ret; } @@ -45,7 +45,7 @@ Signed-off-by: Mark Brown map->format.format_reg(map->work_buf, reg, map->reg_shift); regmap_set_work_buf_flag_mask(map, map->format.reg_bytes, map->write_flag_mask); -@@ -1905,6 +1907,7 @@ static int _regmap_bus_formatted_write(v +@@ -1907,6 +1909,7 @@ static int _regmap_bus_formatted_write(v return ret; } @@ -53,7 +53,7 @@ Signed-off-by: Mark Brown map->format.format_write(map, reg, val); trace_regmap_hw_write_start(map, reg, 1); -@@ -2346,6 +2349,7 @@ static int _regmap_raw_multi_reg_write(s +@@ -2348,6 +2351,7 @@ static int _regmap_raw_multi_reg_write(s unsigned int reg = regs[i].reg; unsigned int val = regs[i].def; trace_regmap_hw_write_start(map, reg, 1); @@ -61,7 +61,7 @@ Signed-off-by: Mark Brown map->format.format_reg(u8, reg, map->reg_shift); u8 += reg_bytes + pad_bytes; map->format.format_val(u8, val, 0); -@@ -2673,6 +2677,7 @@ static int _regmap_raw_read(struct regma +@@ -2675,6 +2679,7 @@ static int _regmap_raw_read(struct regma return ret; } diff --git a/target/linux/generic/backport-5.15/351-v5.18-regmap-allow-a-defined-reg_base-to-be-added-to-every.patch b/target/linux/generic/backport-5.15/351-v5.18-regmap-allow-a-defined-reg_base-to-be-added-to-every.patch index 0f32288fca..841f8d4528 100644 --- a/target/linux/generic/backport-5.15/351-v5.18-regmap-allow-a-defined-reg_base-to-be-added-to-every.patch +++ b/target/linux/generic/backport-5.15/351-v5.18-regmap-allow-a-defined-reg_base-to-be-added-to-every.patch @@ -42,7 +42,7 @@ Signed-off-by: Mark Brown map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8); map->format.pad_bytes = config->pad_bits / 8; map->format.reg_downshift = config->reg_downshift; -@@ -1736,6 +1738,7 @@ static int _regmap_raw_write_impl(struct +@@ -1738,6 +1740,7 @@ static int _regmap_raw_write_impl(struct return ret; } @@ -50,7 +50,7 @@ Signed-off-by: Mark Brown reg >>= map->format.reg_downshift; map->format.format_reg(map->work_buf, reg, map->reg_shift); regmap_set_work_buf_flag_mask(map, map->format.reg_bytes, -@@ -1907,6 +1910,7 @@ static int _regmap_bus_formatted_write(v +@@ -1909,6 +1912,7 @@ static int _regmap_bus_formatted_write(v return ret; } @@ -58,7 +58,7 @@ Signed-off-by: Mark Brown reg >>= map->format.reg_downshift; map->format.format_write(map, reg, val); -@@ -2349,6 +2353,7 @@ static int _regmap_raw_multi_reg_write(s +@@ -2351,6 +2355,7 @@ static int _regmap_raw_multi_reg_write(s unsigned int reg = regs[i].reg; unsigned int val = regs[i].def; trace_regmap_hw_write_start(map, reg, 1); @@ -66,7 +66,7 @@ Signed-off-by: Mark Brown reg >>= map->format.reg_downshift; map->format.format_reg(u8, reg, map->reg_shift); u8 += reg_bytes + pad_bytes; -@@ -2677,6 +2682,7 @@ static int _regmap_raw_read(struct regma +@@ -2679,6 +2684,7 @@ static int _regmap_raw_read(struct regma return ret; } diff --git a/target/linux/generic/backport-5.15/352-v6.3-regmap-apply-reg_base-and-reg_downshift-for-single-r.patch b/target/linux/generic/backport-5.15/352-v6.3-regmap-apply-reg_base-and-reg_downshift-for-single-r.patch index 804f68d23c..bc3865c75b 100644 --- a/target/linux/generic/backport-5.15/352-v6.3-regmap-apply-reg_base-and-reg_downshift-for-single-r.patch +++ b/target/linux/generic/backport-5.15/352-v6.3-regmap-apply-reg_base-and-reg_downshift-for-single-r.patch @@ -28,7 +28,7 @@ Signed-off-by: Mark Brown --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c -@@ -1929,6 +1929,8 @@ static int _regmap_bus_reg_write(void *c +@@ -1931,6 +1931,8 @@ static int _regmap_bus_reg_write(void *c { struct regmap *map = context; @@ -37,7 +37,7 @@ Signed-off-by: Mark Brown return map->bus->reg_write(map->bus_context, reg, val); } -@@ -2703,6 +2705,8 @@ static int _regmap_bus_reg_read(void *co +@@ -2705,6 +2707,8 @@ static int _regmap_bus_reg_read(void *co { struct regmap *map = context; @@ -46,7 +46,7 @@ Signed-off-by: Mark Brown return map->bus->reg_read(map->bus_context, reg, val); } -@@ -3078,6 +3082,8 @@ static int _regmap_update_bits(struct re +@@ -3080,6 +3084,8 @@ static int _regmap_update_bits(struct re *change = false; if (regmap_volatile(map, reg) && map->reg_update_bits) { diff --git a/target/linux/generic/backport-5.15/830-v6.0-leds-turris-omnia-convert-to-use-dev_groups.patch b/target/linux/generic/backport-5.15/830-v6.0-leds-turris-omnia-convert-to-use-dev_groups.patch index b9ba07b485..99ebe06438 100644 --- a/target/linux/generic/backport-5.15/830-v6.0-leds-turris-omnia-convert-to-use-dev_groups.patch +++ b/target/linux/generic/backport-5.15/830-v6.0-leds-turris-omnia-convert-to-use-dev_groups.patch @@ -25,7 +25,7 @@ Signed-off-by: Pavel Machek --- a/drivers/leds/leds-turris-omnia.c +++ b/drivers/leds/leds-turris-omnia.c -@@ -239,9 +239,6 @@ static int omnia_leds_probe(struct i2c_c +@@ -260,9 +260,6 @@ static int omnia_leds_probe(struct i2c_c led += ret; } @@ -35,7 +35,7 @@ Signed-off-by: Pavel Machek return 0; } -@@ -283,6 +280,7 @@ static struct i2c_driver omnia_leds_driv +@@ -304,6 +301,7 @@ static struct i2c_driver omnia_leds_driv .driver = { .name = "leds-turris-omnia", .of_match_table = of_omnia_leds_match, diff --git a/target/linux/generic/backport-5.15/830-v6.6-1-leds-turris-omnia-Use-sysfs_emit-instead-of-sprintf.patch b/target/linux/generic/backport-5.15/830-v6.6-1-leds-turris-omnia-Use-sysfs_emit-instead-of-sprintf.patch index 200d693b73..835a5e8847 100644 --- a/target/linux/generic/backport-5.15/830-v6.6-1-leds-turris-omnia-Use-sysfs_emit-instead-of-sprintf.patch +++ b/target/linux/generic/backport-5.15/830-v6.6-1-leds-turris-omnia-Use-sysfs_emit-instead-of-sprintf.patch @@ -20,7 +20,7 @@ Signed-off-by: Lee Jones --- a/drivers/leds/leds-turris-omnia.c +++ b/drivers/leds/leds-turris-omnia.c -@@ -166,7 +166,7 @@ static ssize_t brightness_show(struct de +@@ -194,7 +194,7 @@ static ssize_t brightness_show(struct de if (ret < 0) return ret; diff --git a/target/linux/generic/backport-5.15/830-v6.6-2-leds-turris-omnia-Drop-unnecessary-mutex-locking.patch b/target/linux/generic/backport-5.15/830-v6.6-2-leds-turris-omnia-Drop-unnecessary-mutex-locking.patch deleted file mode 100644 index 4178f150d9..0000000000 --- a/target/linux/generic/backport-5.15/830-v6.6-2-leds-turris-omnia-Drop-unnecessary-mutex-locking.patch +++ /dev/null @@ -1,66 +0,0 @@ -From 760b6b7925bf09491aafa4727eef74fc6bf738b0 Mon Sep 17 00:00:00 2001 -From: Marek Behún -Date: Wed, 2 Aug 2023 18:07:43 +0200 -Subject: leds: turris-omnia: Drop unnecessary mutex locking -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Do not lock driver mutex in the global LED panel brightness sysfs -accessors brightness_show() and brightness_store(). - -The mutex locking is unnecessary here. The I2C transfers are guarded by -I2C core locking mechanism, and the LED commands itself do not interfere -with other commands. - -Fixes: 089381b27abe ("leds: initial support for Turris Omnia LEDs") -Signed-off-by: Marek Behún -Reviewed-by: Lee Jones -Link: https://lore.kernel.org/r/20230802160748.11208-2-kabel@kernel.org -Signed-off-by: Lee Jones ---- - drivers/leds/leds-turris-omnia.c | 11 +---------- - 1 file changed, 1 insertion(+), 10 deletions(-) - -(limited to 'drivers/leds/leds-turris-omnia.c') - ---- a/drivers/leds/leds-turris-omnia.c -+++ b/drivers/leds/leds-turris-omnia.c -@@ -156,12 +156,9 @@ static ssize_t brightness_show(struct de - char *buf) - { - struct i2c_client *client = to_i2c_client(dev); -- struct omnia_leds *leds = i2c_get_clientdata(client); - int ret; - -- mutex_lock(&leds->lock); - ret = i2c_smbus_read_byte_data(client, CMD_LED_GET_BRIGHTNESS); -- mutex_unlock(&leds->lock); - - if (ret < 0) - return ret; -@@ -173,7 +170,6 @@ static ssize_t brightness_store(struct d - const char *buf, size_t count) - { - struct i2c_client *client = to_i2c_client(dev); -- struct omnia_leds *leds = i2c_get_clientdata(client); - unsigned long brightness; - int ret; - -@@ -183,15 +179,10 @@ static ssize_t brightness_store(struct d - if (brightness > 100) - return -EINVAL; - -- mutex_lock(&leds->lock); - ret = i2c_smbus_write_byte_data(client, CMD_LED_SET_BRIGHTNESS, - (u8)brightness); -- mutex_unlock(&leds->lock); - -- if (ret < 0) -- return ret; -- -- return count; -+ return ret < 0 ? ret : count; - } - static DEVICE_ATTR_RW(brightness); - diff --git a/target/linux/generic/backport-5.15/830-v6.7-1-leds-turris-omnia-Do-not-use-SMBUS-calls.patch b/target/linux/generic/backport-5.15/830-v6.7-1-leds-turris-omnia-Do-not-use-SMBUS-calls.patch deleted file mode 100644 index 5460881cca..0000000000 --- a/target/linux/generic/backport-5.15/830-v6.7-1-leds-turris-omnia-Do-not-use-SMBUS-calls.patch +++ /dev/null @@ -1,145 +0,0 @@ -From 28350bc0ac77e17365ba87d3edb2db0a79c98fdd Mon Sep 17 00:00:00 2001 -From: Marek Behún -Date: Mon, 18 Sep 2023 18:11:01 +0200 -Subject: leds: turris-omnia: Do not use SMBUS calls -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The leds-turris-omnia driver uses three function for I2C access: -- i2c_smbus_write_byte_data() and i2c_smbus_read_byte_data(), which - cause an emulated SMBUS transfer, -- i2c_master_send(), which causes an ordinary I2C transfer. - -The Turris Omnia MCU LED controller is not semantically SMBUS, it -operates as a simple I2C bus. It does not implement any of the SMBUS -specific features, like PEC, or procedure calls, or anything. Moreover -the I2C controller driver also does not implement SMBUS, and so the -emulated SMBUS procedure from drivers/i2c/i2c-core-smbus.c is used for -the SMBUS calls, which gives an unnecessary overhead. - -When I first wrote the driver, I was unaware of these facts, and I -simply used the first function that worked. - -Drop the I2C SMBUS calls and instead use simple I2C transfers. - -Fixes: 089381b27abe ("leds: initial support for Turris Omnia LEDs") -Signed-off-by: Marek Behún -Link: https://lore.kernel.org/r/20230918161104.20860-2-kabel@kernel.org -Signed-off-by: Lee Jones ---- - drivers/leds/leds-turris-omnia.c | 54 +++++++++++++++++++++++++++++++--------- - 1 file changed, 42 insertions(+), 12 deletions(-) - ---- a/drivers/leds/leds-turris-omnia.c -+++ b/drivers/leds/leds-turris-omnia.c -@@ -2,7 +2,7 @@ - /* - * CZ.NIC's Turris Omnia LEDs driver - * -- * 2020 by Marek Behún -+ * 2020, 2023 by Marek Behún - */ - - #include -@@ -41,6 +41,37 @@ struct omnia_leds { - struct omnia_led leds[]; - }; - -+static int omnia_cmd_write_u8(const struct i2c_client *client, u8 cmd, u8 val) -+{ -+ u8 buf[2] = { cmd, val }; -+ -+ return i2c_master_send(client, buf, sizeof(buf)); -+} -+ -+static int omnia_cmd_read_u8(const struct i2c_client *client, u8 cmd) -+{ -+ struct i2c_msg msgs[2]; -+ u8 reply; -+ int ret; -+ -+ msgs[0].addr = client->addr; -+ msgs[0].flags = 0; -+ msgs[0].len = 1; -+ msgs[0].buf = &cmd; -+ msgs[1].addr = client->addr; -+ msgs[1].flags = I2C_M_RD; -+ msgs[1].len = 1; -+ msgs[1].buf = &reply; -+ -+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); -+ if (likely(ret == ARRAY_SIZE(msgs))) -+ return reply; -+ else if (ret < 0) -+ return ret; -+ else -+ return -EIO; -+} -+ - static int omnia_led_brightness_set_blocking(struct led_classdev *cdev, - enum led_brightness brightness) - { -@@ -64,7 +95,7 @@ static int omnia_led_brightness_set_bloc - if (buf[2] || buf[3] || buf[4]) - state |= CMD_LED_STATE_ON; - -- ret = i2c_smbus_write_byte_data(leds->client, CMD_LED_STATE, state); -+ ret = omnia_cmd_write_u8(leds->client, CMD_LED_STATE, state); - if (ret >= 0 && (state & CMD_LED_STATE_ON)) - ret = i2c_master_send(leds->client, buf, 5); - -@@ -114,9 +145,9 @@ static int omnia_led_register(struct i2c - cdev->brightness_set_blocking = omnia_led_brightness_set_blocking; - - /* put the LED into software mode */ -- ret = i2c_smbus_write_byte_data(client, CMD_LED_MODE, -- CMD_LED_MODE_LED(led->reg) | -- CMD_LED_MODE_USER); -+ ret = omnia_cmd_write_u8(client, CMD_LED_MODE, -+ CMD_LED_MODE_LED(led->reg) | -+ CMD_LED_MODE_USER); - if (ret < 0) { - dev_err(dev, "Cannot set LED %pOF to software mode: %i\n", np, - ret); -@@ -124,8 +155,8 @@ static int omnia_led_register(struct i2c - } - - /* disable the LED */ -- ret = i2c_smbus_write_byte_data(client, CMD_LED_STATE, -- CMD_LED_STATE_LED(led->reg)); -+ ret = omnia_cmd_write_u8(client, CMD_LED_STATE, -+ CMD_LED_STATE_LED(led->reg)); - if (ret < 0) { - dev_err(dev, "Cannot set LED %pOF brightness: %i\n", np, ret); - return ret; -@@ -158,7 +189,7 @@ static ssize_t brightness_show(struct de - struct i2c_client *client = to_i2c_client(dev); - int ret; - -- ret = i2c_smbus_read_byte_data(client, CMD_LED_GET_BRIGHTNESS); -+ ret = omnia_cmd_read_u8(client, CMD_LED_GET_BRIGHTNESS); - - if (ret < 0) - return ret; -@@ -179,8 +210,7 @@ static ssize_t brightness_store(struct d - if (brightness > 100) - return -EINVAL; - -- ret = i2c_smbus_write_byte_data(client, CMD_LED_SET_BRIGHTNESS, -- (u8)brightness); -+ ret = omnia_cmd_write_u8(client, CMD_LED_SET_BRIGHTNESS, brightness); - - return ret < 0 ? ret : count; - } -@@ -238,8 +268,8 @@ static int omnia_leds_remove(struct i2c_ - u8 buf[5]; - - /* put all LEDs into default (HW triggered) mode */ -- i2c_smbus_write_byte_data(client, CMD_LED_MODE, -- CMD_LED_MODE_LED(OMNIA_BOARD_LEDS)); -+ omnia_cmd_write_u8(client, CMD_LED_MODE, -+ CMD_LED_MODE_LED(OMNIA_BOARD_LEDS)); - - /* set all LEDs color to [255, 255, 255] */ - buf[0] = CMD_LED_COLOR; diff --git a/target/linux/generic/hack-5.15/259-regmap_dynamic.patch b/target/linux/generic/hack-5.15/259-regmap_dynamic.patch index 76a5ace6f3..e0820ccfc0 100644 --- a/target/linux/generic/hack-5.15/259-regmap_dynamic.patch +++ b/target/linux/generic/hack-5.15/259-regmap_dynamic.patch @@ -125,7 +125,7 @@ Signed-off-by: Felix Fietkau #include #include #include -@@ -3358,3 +3359,5 @@ static int __init regmap_initcall(void) +@@ -3360,3 +3361,5 @@ static int __init regmap_initcall(void) return 0; } postcore_initcall(regmap_initcall); diff --git a/target/linux/generic/hack-5.15/904-debloat_dma_buf.patch b/target/linux/generic/hack-5.15/904-debloat_dma_buf.patch index 0291a5e9bd..71546bf942 100644 --- a/target/linux/generic/hack-5.15/904-debloat_dma_buf.patch +++ b/target/linux/generic/hack-5.15/904-debloat_dma_buf.patch @@ -72,7 +72,7 @@ Signed-off-by: Felix Fietkau +MODULE_LICENSE("GPL"); --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -4216,6 +4216,7 @@ int wake_up_state(struct task_struct *p, +@@ -4220,6 +4220,7 @@ int wake_up_state(struct task_struct *p, { return try_to_wake_up(p, state, 0); } diff --git a/target/linux/generic/pending-5.15/701-netfilter-nf_tables-ignore-EOPNOTSUPP-on-flowtable-d.patch b/target/linux/generic/pending-5.15/701-netfilter-nf_tables-ignore-EOPNOTSUPP-on-flowtable-d.patch index b618c89613..a15fc786a0 100644 --- a/target/linux/generic/pending-5.15/701-netfilter-nf_tables-ignore-EOPNOTSUPP-on-flowtable-d.patch +++ b/target/linux/generic/pending-5.15/701-netfilter-nf_tables-ignore-EOPNOTSUPP-on-flowtable-d.patch @@ -18,7 +18,7 @@ Signed-off-by: Felix Fietkau --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c -@@ -7707,7 +7707,7 @@ static int nft_register_flowtable_net_ho +@@ -7703,7 +7703,7 @@ static int nft_register_flowtable_net_ho err = flowtable->data.type->setup(&flowtable->data, hook->ops.dev, FLOW_BLOCK_BIND); diff --git a/target/linux/x86/patches-5.15/120-hwrng-geode-fix-accessing-registers.patch b/target/linux/x86/patches-5.15/120-hwrng-geode-fix-accessing-registers.patch deleted file mode 100644 index 4c8015013b..0000000000 --- a/target/linux/x86/patches-5.15/120-hwrng-geode-fix-accessing-registers.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 859bd2e0c0052967536f3f902716f204d5a978b1 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 8 Sep 2023 22:48:33 +0200 -Subject: [PATCH] hwrng: geode: fix accessing registers - -When the membase and pci_dev pointer were moved to a new struct in priv, -the actual membase users were left untouched, and they started reading -out arbitrary memory behind the struct instead of registers. This -unfortunately turned the RNG into a constant number generator, depending -on the content of what was at that offset. - -To fix this, update geode_rng_data_{read,present}() to also get the -membase via amd_geode_priv, and properly read from the right addresses -again. - -Fixes: 9f6ec8dc574e ("hwrng: geode - Fix PCI device refcount leak") -Reported-by: Timur I. Davletshin -Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217882 -Tested-by: Timur I. Davletshin -Suggested-by: Jo-Philipp Wich -Signed-off-by: Jonas Gorski ---- - drivers/char/hw_random/geode-rng.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - ---- a/drivers/char/hw_random/geode-rng.c -+++ b/drivers/char/hw_random/geode-rng.c -@@ -58,7 +58,8 @@ struct amd_geode_priv { - - static int geode_rng_data_read(struct hwrng *rng, u32 *data) - { -- void __iomem *mem = (void __iomem *)rng->priv; -+ struct amd_geode_priv *priv = (struct amd_geode_priv *)rng->priv; -+ void __iomem *mem = priv->membase; - - *data = readl(mem + GEODE_RNG_DATA_REG); - -@@ -67,7 +68,8 @@ static int geode_rng_data_read(struct hw - - static int geode_rng_data_present(struct hwrng *rng, int wait) - { -- void __iomem *mem = (void __iomem *)rng->priv; -+ struct amd_geode_priv *priv = (struct amd_geode_priv *)rng->priv; -+ void __iomem *mem = priv->membase; - int data, i; - - for (i = 0; i < 20; i++) {