Check the return value of cifs_sign_smb[2]
Check the return value of cifs_sign_smb[2]
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 5f224e9..dc2d1b0 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -530,6 +530,11 @@
return rc;
}
rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number);
+ if (rc) {
+ mutex_unlock(&ses->server->srv_mutex);
+ cifs_small_buf_release(in_buf);
+ goto out;
+ }
midQ->midState = MID_REQUEST_SUBMITTED;
#ifdef CONFIG_CIFS_STATS2
@@ -718,6 +723,10 @@
}
rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);
+ if (rc) {
+ mutex_unlock(&ses->server->srv_mutex);
+ goto out;
+ }
midQ->midState = MID_REQUEST_SUBMITTED;
#ifdef CONFIG_CIFS_STATS2
@@ -948,6 +957,11 @@
}
rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);
+ if (rc) {
+ DeleteMidQEntry(midQ);
+ mutex_unlock(&ses->server->srv_mutex);
+ return rc;
+ }
midQ->midState = MID_REQUEST_SUBMITTED;
#ifdef CONFIG_CIFS_STATS2