diff options
| -rw-r--r-- | fs/cifs/cifsencrypt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index b4672eafc5bf..85b31cfa2f3c 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -83,7 +83,13 @@ int __cifs_calc_signature(struct smb_rqst *rqst, kaddr = (char *) kmap(rqst->rq_pages[i]) + offset; - crypto_shash_update(shash, kaddr, len); + rc = crypto_shash_update(shash, kaddr, len); + if (rc) { + cifs_dbg(VFS, "%s: Could not update with payload\n", + __func__); + kunmap(rqst->rq_pages[i]); + return rc; + } kunmap(rqst->rq_pages[i]); } |