If the allocation fails, return false to avoid potential
NULL pointer dereference
Signed-off-by: Kangjie Lu <k...@umn.edu>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c
b/drivers/gpu/drm/i915/i915_gpu_error.c
index 9a65341fec09..ad54fc3551df 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -227,8 +227,11 @@ static bool compress_init(struct compress *c)
}
c->tmp = NULL;
- if (i915_has_memcpy_from_wc())
+ if (i915_has_memcpy_from_wc()) {
c->tmp = (void *)__get_free_page(GFP_ATOMIC | __GFP_NOWARN);
+ if (!c->tmp)
+ return false;
+ }
return true;
}
--
2.17.1
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