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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-20 00:14:34 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-20 00:14:34 +0400
commitf7a0fd56e4f58aec3300082fc10433052e2f1863 (patch)
tree4b3348f4866f6b3417f456a298229d63d4581424 /fs/cifs/transport.c
parent5e1e704a7de14ae79dc4d983dbbcab67064960c9 (diff)
parent31d141e3a666269a3b6fcccddb0351caf7454240 (diff)
downloadlinux-f7a0fd56e4f58aec3300082fc10433052e2f1863.tar.xz
Merge 3.12-rc6 into staging-next.
We want these fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/cifs/transport.c')
-rw-r--r--fs/cifs/transport.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 6fdcb1b4a106..800b938e4061 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -410,8 +410,13 @@ static int
wait_for_free_request(struct TCP_Server_Info *server, const int timeout,
const int optype)
{
- return wait_for_free_credits(server, timeout,
- server->ops->get_credits_field(server, optype));
+ int *val;
+
+ val = server->ops->get_credits_field(server, optype);
+ /* Since an echo is already inflight, no need to wait to send another */
+ if (*val <= 0 && optype == CIFS_ECHO_OP)
+ return -EAGAIN;
+ return wait_for_free_credits(server, timeout, val);
}
static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,