smb3: add additional null check in SMB2_ioctl
authorSteve French <stfrench@microsoft.com>
Thu, 11 Nov 2021 20:39:23 +0000 (14:39 -0600)
committerSteve French <stfrench@microsoft.com>
Thu, 11 Nov 2021 20:49:24 +0000 (14:49 -0600)
commit4d9beec22f731655f1a41f91cd747a29892533e5
tree9f7649975c6d916f378fdddf356c94ce5b8cfd81
parent0e62904836ecddf69b0358fe8f9442d3dd914c55
smb3: add additional null check in SMB2_ioctl

Although unlikely for it to be possible for rsp to be null here,
the check is safer to add, and quiets a Coverity warning.

Addresses-Coverity: 1443909 ("Explicit Null dereference")
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/smb2pdu.c