From 4606c9e8c541f97034e53e644129376a6170b8c7 Mon Sep 17 00:00:00 2001 From: Pan Bian Date: Sat, 3 Dec 2016 20:25:45 +0800 Subject: [PATCH] atm: lanai: set error code when ioremap fails In function lanai_dev_open(), when the call to ioremap() fails, the value of return variable result is 0. 0 means no error in this context. This patch fixes the bug, assigning "-ENOMEM" to result when ioremap() returns a NULL pointer. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188791 Signed-off-by: Pan Bian Signed-off-by: David S. Miller --- drivers/atm/lanai.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index ce43ae3e87b3..445505d9ea07 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c @@ -2143,6 +2143,7 @@ static int lanai_dev_open(struct atm_dev *atmdev) lanai->base = (bus_addr_t) ioremap(raw_base, LANAI_MAPPING_SIZE); if (lanai->base == NULL) { printk(KERN_ERR DEV_LABEL ": couldn't remap I/O space\n"); + result = -ENOMEM; goto error_pci; } /* 3.3: Reset lanai and PHY */ -- 2.30.2