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cifs: Make add_credits_and_wake_if() clear deducted credits

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Make add_credits_and_wake_if() clear the amount of credits in the
cifs_credits struct after it has returned them to the overall counter.
This allows add_credits_and_wake_if() to be called multiple times during
the error handling and cleanup without accidentally returning the credits
again and again.

Note that the wake_up() in add_credits_and_wake_if() may also be
superfluous as ->add_credits() also does a wake on the request_q.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
This commit is contained in:
David Howells 2024-03-28 07:59:18 +00:00
parent edea94a697
commit c20c0d7325
1 changed files with 2 additions and 1 deletions
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3
fs/smb/client/cifsglob.h
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@ -881,11 +881,12 @@ add_credits(struct TCP_Server_Info *server, const struct cifs_credits *credits,
static inline void
add_credits_and_wake_if(struct TCP_Server_Info *server,
const struct cifs_credits *credits, const int optype)
struct cifs_credits *credits, const int optype)
{
if (credits->value) {
server->ops->add_credits(server, credits, optype);
wake_up(&server->request_q);
credits->value = 0;
}
}