| From b8b7789a2b1148fb155bbe0e79dfd5efcdf18171 Mon Sep 17 00:00:00 2001 |
| From: Eric Van Hensbergen <ericvh@gmail.com> |
| Date: Wed, 13 Jul 2011 19:12:18 -0500 |
| Subject: [PATCH] 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: Paul Gortmaker <paul.gortmaker@windriver.com> |
| |
| diff --git a/net/9p/client.c b/net/9p/client.c |
| index 0aa79fa..f7bf503 100644 |
| --- a/net/9p/client.c |
| +++ b/net/9p/client.c |
| @@ -272,7 +272,8 @@ 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; |
| -- |
| 1.7.12.rc1.1.gbce1580 |
| |
