lkml.org 
[lkml]   [2011]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] net/9p: fix client code to fail more gracefully on protocol error
Date
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>
---
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 9e3b0e6..81e667b 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -280,7 +280,8 @@ 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;
--
1.7.4.1


\
 
 \ /
  Last update: 2011-07-14 02:19    [W:0.026 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site