diff options
| author | Eric Van Hensbergen <ericvh@gmail.com> | 2011-07-13 19:12:18 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-07 12:31:59 -0800 |
| commit | fd319bb5c7fbe886389e19f8c530ee9a644f9619 (patch) | |
| tree | 925b94284bfd91d6540f22d6919e17d56048578d /net | |
| parent | c28f366a6ef9b6e14e069e7d750c32d73544444e (diff) | |
net/9p: fix client code to fail more gracefully on protocol error
commit b85f7d92d7bd7e3298159e8b1eed8cb8cbbb0348 upstream.
There was a BUG_ON to protect against a bad id which could be dealt with
more gracefully.
Reported-by: Natalie Orlin <norlin@us.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/9p/client.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 8af95b2dddd6..13a0682b3417 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -221,7 +221,8 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag) * buffer to read the data into */ tag++; - BUG_ON(tag >= c->max_tag); + if(tag >= c->max_tag) + return NULL; row = tag / P9_ROW_MAXTAG; col = tag % P9_ROW_MAXTAG; |