diff options
| author | Hangyu Hua <hbh25y@gmail.com> | 2022-07-13 09:55:11 +0900 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2022-07-15 20:22:21 +0900 |
| commit | 4ac7573e1f9333073fa8d303acc941c9b7ab7f61 (patch) | |
| tree | db109559de7b8c0616e73565279d7837f28fae18 /net/9p | |
| parent | 67dd8e445ee0aa5e8bf1d9d866c914ed11626bbd (diff) | |
| download | linux-4ac7573e1f9333073fa8d303acc941c9b7ab7f61.tar.gz | |
net: 9p: fix refcount leak in p9_read_work() error handling
p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid
temporary refcount leak.
Link: https://lkml.kernel.org/r/20220712104438.30800-1-hbh25y@gmail.com
Fixes: 728356dedeff ("9p: Add refcount to p9_req_t")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
[Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/trans_fd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 007c3f45fe05..e758978b44be 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -343,6 +343,7 @@ static void p9_read_work(struct work_struct *work) p9_debug(P9_DEBUG_ERROR, "No recv fcall for tag %d (req %p), disconnecting!\n", m->rc.tag, m->rreq); + p9_req_put(m->client, m->rreq); m->rreq = NULL; err = -EIO; goto error; |