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| author | Marc Dionne <marc.dionne@auristor.com> | 2022-11-30 18:55:51 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-11-30 19:02:37 +0100 |
| commit | ef4d3ea40565a781c25847e9cb96c1bd9f462bc6 (patch) | |
| tree | a1997480de0c6f5647cc2601f0756afd954b603e /fs/afs/server.c | |
| parent | drm/i915: fix TLB invalidation for Gen12 video and compute engines (diff) | |
| download | linux-ef4d3ea40565a781c25847e9cb96c1bd9f462bc6.tar.xz linux-ef4d3ea40565a781c25847e9cb96c1bd9f462bc6.zip | |
afs: Fix server->active leak in afs_put_server
The atomic_read was accidentally replaced with atomic_inc_return,
which prevents the server from getting cleaned up and causes rmmod
to hang with a warning:
Can't purge s=00000001
Fixes: 2757a4dc1849 ("afs: Fix access after dec in put functions")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20221130174053.2665818-1-marc.dionne@auristor.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | fs/afs/server.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/afs/server.c b/fs/afs/server.c index 4981baf97835..b5237206eac3 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -406,7 +406,7 @@ void afs_put_server(struct afs_net *net, struct afs_server *server, if (!server) return; - a = atomic_inc_return(&server->active); + a = atomic_read(&server->active); zero = __refcount_dec_and_test(&server->ref, &r); trace_afs_server(debug_id, r - 1, a, reason); if (unlikely(zero)) |