* [PATCH] drivers/nouveau_svm: fix bounds check in nouveau_svm_fault_buffer_dtor
@ 2020-08-16 14:51 Gaurav Singh
0 siblings, 0 replies; only message in thread
From: Gaurav Singh @ 2020-08-16 14:51 UTC (permalink / raw)
To: gaurav1086, Ben Skeggs, David Airlie, Daniel Vetter,
open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS,
open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS, open list
do the bounds check before accessing the buffer element.
Fixes: eeaf06ac1a558 ("drm/nouveau/svm: initial support for shared virtual memory")
Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
---
drivers/gpu/drm/nouveau/nouveau_svm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 6586d9d39874..35d24946787d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -897,7 +897,7 @@ nouveau_svm_fault_buffer_dtor(struct nouveau_svm *svm, int id)
int i;
if (buffer->fault) {
- for (i = 0; buffer->fault[i] && i < buffer->entries; i++)
+ for (i = 0; i < buffer->entries && buffer->fault[i]; i++)
kfree(buffer->fault[i]);
kvfree(buffer->fault);
}
--
2.17.1
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