lkml.org 
[lkml]   [2012]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] uprobes: don't put NULL pointer in uprobe_register()
Date
alloc_uprobe() might return a NULL pointer, put_uprobe() can't deal with
this.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
kernel/events/uprobes.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 7b3112c..30f3e23 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -897,7 +897,8 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *
}

mutex_unlock(uprobes_hash(inode));
- put_uprobe(uprobe);
+ if (uprobe)
+ put_uprobe(uprobe);

return ret;
}
--
1.7.10.4


\
 
 \ /
  Last update: 2012-08-30 20:01    [W:1.064 / U:0.928 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site