From: Ville Syrjälä Date: Fri, 1 Sep 2017 16:54:34 +0000 (+0300) Subject: drm/i915: Annotate user relocs with __user X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=908a610557f4d8b46a0f82c01e31b30f5c998580;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Annotate user relocs with __user Add the missing __user to the urelocs cast to fix the following sparse warning: i915_gem_execbuffer.c:1541:47: warning: cast removes address space of expression i915_gem_execbuffer.c:1541:62: warning: incorrect type in argument 2 (different address spaces) i915_gem_execbuffer.c:1541:62: expected void const [noderef] *from i915_gem_execbuffer.c:1541:62: got char * Cc: Chris Wilson Fixes: 2889caa92321 ("drm/i915: Eliminate lots of iterations over the execobjects array") Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20170901165434.24636-1-ville.syrjala@linux.intel.com Reviewed-by: Maarten Lankhorst #irc --- diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 67317b79b9e0..53718a245ded 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1538,7 +1538,7 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) min_t(u64, BIT_ULL(31), size - copied); if (__copy_from_user((char *)relocs + copied, - (char *)urelocs + copied, + (char __user *)urelocs + copied, len)) { kvfree(relocs); err = -EFAULT;