lkml.org 
[lkml]   [2015]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[EDT][PATCH] kernel/exit.c : Fix missing read_unlock
 EP-F6AA0618C49C4AEDA73BFF1B39950BAB
Hi,

From: Maninder Singh <maninder1.s@samsung.com>

Subject: [PATCH 1/1] kernel/exit.c : Fix missing task_unlock

This patch adds missing read_unlock if do_wait_thread or ptrace_do_wait
returns non zero.

Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Vaneet Narang <v.narang@samsung.com>
Reviewd-by: Akhilesh Kumar <akhilesh.k@samsung.com>
---
kernel/exit.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index 22fcc05..31a061f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1486,12 +1486,16 @@ repeat:
tsk = current;
do {
retval = do_wait_thread(wo, tsk);
- if (retval)
+ if (retval) {
+ read_unlock(&tasklist_lock);
goto end;
+ }

retval = ptrace_do_wait(wo, tsk);
- if (retval)
+ if (retval) {
+ read_unlock(&tasklist_lock);
goto end;
+ }

if (wo->wo_flags & __WNOTHREAD)
break;
--
1.7.1
Thanks
Maninder Singh
\
 
 \ /
  Last update: 2015-05-21 07:41    [W:0.057 / U:1.304 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site