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-rw-r--r--fs/cifs/smb2pdu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 243de87b2d6d..5e032b2b2adb 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2668,7 +2668,18 @@ int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
goto err_free_rsp_buf;
}
+ /*
+ * Although unlikely to be possible for rsp to be null and rc not set,
+ * adding check below is slightly safer long term (and quiets Coverity
+ * warning)
+ */
rsp = (struct smb2_create_rsp *)rsp_iov.iov_base;
+ if (rsp == NULL) {
+ rc = -EIO;
+ kfree(pc_buf);
+ goto err_free_req;
+ }
+
trace_smb3_posix_mkdir_done(xid, le64_to_cpu(rsp->PersistentFileId),
tcon->tid,
ses->Suid, CREATE_NOT_FILE,