]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Fix off-by-one in reporting hanging process
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 15 Mar 2019 16:39:33 +0000 (16:39 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 15 Mar 2019 21:10:08 +0000 (21:10 +0000)
commit48ed92ec2c691e6b780b1dabf41c2a6a54c64980
treea021675cac36501a2a6df97213608b8f9b4299b5
parent3fa704f4143dd40dc6ce4442e2d90c757102e408
drm/i915: Fix off-by-one in reporting hanging process

ffs() is 1-indexed, but we want to use it as an index into an array, so
use __ffs() instead.

Fixes: f879ea8f2683 ("drm/i915: Remove GPU reset dependence on struct_mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190315163933.19352-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gpu_error.c