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CIFS: check if pages is null rather than bv for a failed allocation

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pages is being allocated however a null check on bv is being used
to see if the allocation failed. Fix this by checking if pages is
null.

Detected by CoverityScan, CID#1432974 ("Logically dead code")

Fixes: ccf7f4088af2dd ("CIFS: Add asynchronous context to support kernel AIO")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Colin Ian King 2017-05-17 19:24:15 +01:00 committed by Steve French
parent 8a7b0d8e8d
commit ecf3411a12
1 changed files with 1 additions and 1 deletions
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2
fs/cifs/misc.c
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@ -810,7 +810,7 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw)
if (!pages) {
pages = vmalloc(max_pages * sizeof(struct page *));
if (!bv) {
if (!pages) {
kvfree(bv);
return -ENOMEM;
}