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compositor-drm: pass NULL to mmap() instead of 0 as the address

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mmap() function expects to be passed a void pointer as the address
here. Passing NULL is technically more correct than passing 0.

Signed-off-by: Chris Michael <cp.michael@samsung.com>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Chris Michael 2015-11-10 10:40:37 -05:00 committed by Derek Foreman
parent 6d556374b8
commit 4a7ce1f66d
1 changed files with 1 additions and 1 deletions
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2
src/compositor-drm.c
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@ -308,7 +308,7 @@ drm_fb_create_dumb(struct drm_backend *b, unsigned width, unsigned height)
if (ret)
goto err_add_fb;
fb->map = mmap(0, fb->size, PROT_WRITE,
fb->map = mmap(NULL, fb->size, PROT_WRITE,
MAP_SHARED, b->drm.fd, map_arg.offset);
if (fb->map == MAP_FAILED)
goto err_add_fb;