[PATCH] cifsd: fix a IS_ERR() vs NULL bug

From: Dan Carpenter
Date: Thu Mar 18 2021 - 09:10:56 EST


The smb_direct_alloc_sendmsg() function never returns NULL, it only
returns error pointers so the check needs to be updated.

Fixes: cabcebc31de4 ("cifsd: introduce SMB3 kernel server")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
fs/cifsd/transport_rdma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/cifsd/transport_rdma.c b/fs/cifsd/transport_rdma.c
index 1698f7ed9c2f..638b551019a1 100644
--- a/fs/cifsd/transport_rdma.c
+++ b/fs/cifsd/transport_rdma.c
@@ -997,8 +997,8 @@ static int smb_direct_create_header(struct smb_direct_transport *t,
int ret;

sendmsg = smb_direct_alloc_sendmsg(t);
- if (!sendmsg)
- return -ENOMEM;
+ if (IS_ERR(sendmsg))
+ return PTR_ERR(sendmsg);

/* Fill in the packet header */
packet = (struct smb_direct_data_transfer *)sendmsg->packet;
--
2.30.2