Use vmemdup_user() rather than duplicating its implementation.
This patch fixes the following Coccinelle warning:
./drivers/gpu/drm/nouveau/nouveau_gem.c:630:7-15: WARNING opportunity for vmemdup_user
Signed-off-by: Atul Raut <rauji.raut@xxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_gem.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index ab9062e50977..a244b39df213 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -627,15 +627,10 @@ u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
size *= nmemb;
- mem = kvmalloc(size, GFP_KERNEL);
- if (!mem)
+ mem = vmemdup_user(userptr, size);
+ if (IS_ERR(mem))
return ERR_PTR(-ENOMEM);
- if (copy_from_user(mem, userptr, size)) {
- u_free(mem);
- return ERR_PTR(-EFAULT);
- }
-
return mem;
}
--
2.34.1
