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authorSteve French <smfrench@gmail.com>2012-08-03 18:42:45 +0400
committerSteve French <smfrench@gmail.com>2012-08-20 07:30:13 +0400
commit985e4ff016b5f3d95c12fe8073d1df89300dab3d (patch)
tree5064073d2ad0f252fb7b0491c29a1a51cb83bdeb /fs/cifs/cifssmb.c
parent7411286088d5ba879e9ffcaaa296f657642ef2c4 (diff)
downloadlinux-985e4ff016b5f3d95c12fe8073d1df89300dab3d.tar.xz
cifs: print error code if smb signature verification fails
While trying to debug a SMB signature related issue with Windows Servers figured out it might be easier to debug if we print the error code from cifs_verify_signature(). Also, fix indendation while at it. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 074923ce593d..f0cf934ba877 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1576,9 +1576,14 @@ cifs_readv_callback(struct mid_q_entry *mid)
/* result already set, check signature */
if (server->sec_mode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
- if (cifs_verify_signature(rdata->iov, rdata->nr_iov,
- server, mid->sequence_number + 1))
- cERROR(1, "Unexpected SMB signature");
+ int rc = 0;
+
+ rc = cifs_verify_signature(rdata->iov, rdata->nr_iov,
+ server,
+ mid->sequence_number + 1);
+ if (rc)
+ cERROR(1, "SMB signature verification returned "
+ "error = %d", rc);
}
/* FIXME: should this be counted toward the initiating task? */
task_io_account_read(rdata->bytes);