smb: client: fix potential deadlock when releasing mids

[platform/kernel/linux-starfive.git] / fs / smb / client / transport.c

diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c
index 14710af..d553b7a 100644 (file)
--- a/fs/smb/client/transport.c
+++ b/fs/smb/client/transport.c
@@ -76,7 +76,7 @@ alloc_mid(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
        return temp;
 }
 
-static void __release_mid(struct kref *refcount)
+void __release_mid(struct kref *refcount)
 {
        struct mid_q_entry *midEntry =
                        container_of(refcount, struct mid_q_entry, refcount);
@@ -156,15 +156,6 @@ static void __release_mid(struct kref *refcount)
        mempool_free(midEntry, cifs_mid_poolp);
 }
 
-void release_mid(struct mid_q_entry *mid)
-{
-       struct TCP_Server_Info *server = mid->server;
-
-       spin_lock(&server->mid_lock);
-       kref_put(&mid->refcount, __release_mid);
-       spin_unlock(&server->mid_lock);
-}
-
 void
 delete_mid(struct mid_q_entry *mid)
 {