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fuse: check connection state on notification

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Check if the connection is fully initialized and connected before trying to
process a notification form the fuse server.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2026-03-26 11:45:44 +01:00
parent da6fcc6dbd
commit e45f591f70
1 changed files with 7 additions and 0 deletions
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7
fs/fuse/dev.c
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@ -2098,6 +2098,13 @@ static int fuse_notify_prune(struct fuse_conn *fc, unsigned int size,
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
unsigned int size, struct fuse_copy_state *cs)
{
/*
* Only allow notifications during while the connection is in an
* initialized and connected state
*/
if (!fc->initialized || !fc->connected)
return -EINVAL;
/* Don't try to move folios (yet) */
cs->move_folios = false;