From: Namjae Jeon <linkinjeon@kernel.org>
To: linux-cifs@vger.kernel.org
Cc: Hyunchul Lee <hyc.lee@gmail.com>, Namjae Jeon <linkinjeon@kernel.org>
Subject: [PATCH 2/4] ksmbd: smbd: fix dma mapping error in smb_direct_post_send_data
Date: Wed, 1 Sep 2021 09:45:35 +0900 [thread overview]
Message-ID: <20210901004537.45511-2-linkinjeon@kernel.org> (raw)
In-Reply-To: <20210901004537.45511-1-linkinjeon@kernel.org>
From: Hyunchul Lee <hyc.lee@gmail.com>
Becase smb direct header is mapped and msg->num_sge
already is incremented, the decrement should be
removed from the condition.
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/ksmbd/transport_rdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
index 58f530056ac0..52b2556e76b1 100644
--- a/fs/ksmbd/transport_rdma.c
+++ b/fs/ksmbd/transport_rdma.c
@@ -1168,7 +1168,7 @@ static int smb_direct_post_send_data(struct smb_direct_transport *t,
pr_err("failed to map buffer\n");
ret = -ENOMEM;
goto err;
- } else if (sg_cnt + msg->num_sge > SMB_DIRECT_MAX_SEND_SGES - 1) {
+ } else if (sg_cnt + msg->num_sge > SMB_DIRECT_MAX_SEND_SGES) {
pr_err("buffer not fitted into sges\n");
ret = -E2BIG;
ib_dma_unmap_sg(t->cm_id->device, sg, sg_cnt,
--
2.25.1
next prev parent reply other threads:[~2021-09-01 0:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-01 0:45 [PATCH 1/4] ksmbd: Reduce error log 'speed is unknown' to debug Namjae Jeon
2021-09-01 0:45 ` Namjae Jeon [this message]
2021-09-01 0:45 ` [PATCH 3/4] ksmbd: add validation for ndr read/write functions Namjae Jeon
2021-09-01 10:22 ` Dan Carpenter
2021-09-01 12:28 ` Namjae Jeon
2021-09-01 0:45 ` [PATCH 4/4] ksmbd: remove unused ksmbd_file_table_flush function Namjae Jeon
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