On 07/08/17 14:29, Laurent Pinchart wrote: > Hi Tomi, > > Thank you for the patch. > > On Friday 04 Aug 2017 12:24:10 Tomi Valkeinen wrote: >> omap_framebuffer_create() fails to unref all the gem objects if creating >> the FB fails, leading to a memory leak. >> >> Fix the loop so that it goes through all the reffed gem objects. >> >> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> >> --- >> drivers/gpu/drm/omapdrm/omap_fb.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c >> b/drivers/gpu/drm/omapdrm/omap_fb.c index ddf7a457951b..b1a762b70cbf 100644 >> --- a/drivers/gpu/drm/omapdrm/omap_fb.c >> +++ b/drivers/gpu/drm/omapdrm/omap_fb.c >> @@ -379,7 +379,7 @@ struct drm_framebuffer *omap_framebuffer_create(struct >> drm_device *dev, return fb; >> >> error: >> - while (--i > 0) >> + while (--i >= 0) > > How about i-- > 0 ? That way we could make i an unsigned int as it should be, > given that a negative array index doesn't make sense here. I tried that too, but I think it's a bit confusing. It's nice to see the limit of the iteration directly from the comparison, and with i--, we decrease i after the comparison. So "> 0" actually means ">= 0 inside the body of the while loop"... Tomi
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