Commit 4a7ce1f6 authored by Chris Michael's avatar Chris Michael Committed by Derek Foreman

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

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: default avatarChris Michael <>
Reviewed-by: default avatarDerek Foreman <>
parent 6d556374
......@@ -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;
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