diff options
Diffstat (limited to 'fs/cifs/smb2transport.c')
| -rw-r--r-- | fs/cifs/smb2transport.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index b70a49b4edc0..2af79093b78b 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -100,6 +100,7 @@ int smb2_get_sign_key(__u64 ses_id, struct TCP_Server_Info *server, u8 *key) goto out; found: + spin_lock(&ses->chan_lock); if (cifs_chan_needs_reconnect(ses, server) && !CIFS_ALL_CHANS_NEED_RECONNECT(ses)) { /* @@ -108,6 +109,7 @@ found: * session key */ memcpy(key, ses->smb3signingkey, SMB3_SIGN_KEY_SIZE); + spin_unlock(&ses->chan_lock); goto out; } @@ -119,9 +121,11 @@ found: chan = ses->chans + i; if (chan->server == server) { memcpy(key, chan->signkey, SMB3_SIGN_KEY_SIZE); + spin_unlock(&ses->chan_lock); goto out; } } + spin_unlock(&ses->chan_lock); cifs_dbg(VFS, "%s: Could not find channel signing key for session 0x%llx\n", @@ -430,8 +434,10 @@ generate_smb3signingkey(struct cifs_ses *ses, return rc; /* safe to access primary channel, since it will never go away */ + spin_lock(&ses->chan_lock); memcpy(ses->chans[0].signkey, ses->smb3signingkey, SMB3_SIGN_KEY_SIZE); + spin_unlock(&ses->chan_lock); rc = generate_key(ses, ptriplet->encryption.label, ptriplet->encryption.context, |