Messages in this thread Patch in this message | | | Date | Thu, 21 May 2015 05:00:03 +0000 (GMT) | From | Maninder Singh <> | Subject | [EDT][PATCH] kernel/exit.c : Fix missing read_unlock |
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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 | |