[PATCH] cifs: Fix missing credit release on failure in cifs_issue_read()
David Howells <[email protected]> Thu, 02 Jul 2026 09:25:00 +0100
| Newsgroups | dev.linux.lists.netfs,org.kernel.vger.linux-cifs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel |
|---|---|
| Organization | Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 |
| Message-ID | <[email protected]> |
Fix missing release of credits in the failure path in cifs_issue_read()
lest retrying the subreq just overwrites the credits value.
Fixes: 69c3c023af25 ("cifs: Implement netfslib hooks")
Link: https://sashiko.dev/#/patchset/20260608145432.681865-1-dhowells%40redhat.com
Signed-off-by: David Howells <[email protected]>
cc: Steve French <[email protected]>
cc: Paulo Alcantara <[email protected]>
cc: [email protected]
cc: [email protected]
cc: [email protected]
---
fs/smb/client/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 8b25d6c9ec5e..5a25635bc62a 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -241,6 +241,7 @@ static void cifs_issue_read(struct netfs_io_subrequest *subreq)
return;
failed:
+ add_credits_and_wake_if(rdata->server, &rdata->credits, 0);
subreq->error = rc;
netfs_read_subreq_terminated(subreq);
}