diff options
Diffstat (limited to 'fs/smb/client/smb2transport.c')
| -rw-r--r-- | fs/smb/client/smb2transport.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c index 23c50ed7d4b5..5a3ca62d2f07 100644 --- a/fs/smb/client/smb2transport.c +++ b/fs/smb/client/smb2transport.c @@ -413,7 +413,13 @@ generate_smb3signingkey(struct cifs_ses *ses, ses->ses_status == SES_GOOD); chan_index = cifs_ses_get_chan_index(ses, server); - /* TODO: introduce ref counting for channels when the can be freed */ + if (chan_index == CIFS_INVAL_CHAN_INDEX) { + spin_unlock(&ses->chan_lock); + spin_unlock(&ses->ses_lock); + + return -EINVAL; + } + spin_unlock(&ses->chan_lock); spin_unlock(&ses->ses_lock); @@ -452,6 +458,8 @@ generate_smb3signingkey(struct cifs_ses *ses, ptriplet->encryption.context, ses->smb3encryptionkey, SMB3_ENC_DEC_KEY_SIZE); + if (rc) + return rc; rc = generate_key(ses, ptriplet->decryption.label, ptriplet->decryption.context, ses->smb3decryptionkey, @@ -460,9 +468,6 @@ generate_smb3signingkey(struct cifs_ses *ses, return rc; } - if (rc) - return rc; - #ifdef CONFIG_CIFS_DEBUG_DUMP_KEYS cifs_dbg(VFS, "%s: dumping generated AES session keys\n", __func__); /* |