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| author |   Varun Prakash <varun@chelsio.com> | 2021-10-25 22:47:30 +0530 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2021-10-27 07:58:26 +0200 |
| commit | d89b9f3bbb58e9e378881209756b0723694f22ff (patch) | |
| tree | 8141d081520af9e4f336001d8689af71eabc90a7 /drivers/nvme | |
| parent | nvme-tcp: fix possible req->offset corruption (diff) | |
| download | linux-dev-d89b9f3bbb58e9e378881209756b0723694f22ff.tar.xz linux-dev-d89b9f3bbb58e9e378881209756b0723694f22ff.zip | |
nvme-tcp: fix data digest pointer calculation
ddgst is of type __le32, &req->ddgst + req->offset
increases &req->ddgst by 4 * req->offset, fix this by
type casting &req->ddgst to u8 *.
Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver")
Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/tcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 1a209f0d7181..4ae562d30d2b 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1054,7 +1054,7 @@ static int nvme_tcp_try_send_ddgst(struct nvme_tcp_request *req) int ret; struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; struct kvec iov = { - .iov_base = &req->ddgst + req->offset, + .iov_base = (u8 *)&req->ddgst + req->offset, .iov_len = NVME_TCP_DIGEST_LENGTH - req->offset }; |