EP-F6AA0618C49C4AEDA73BFF1B39950BAB Hi, From: Maninder Singh <maninder...@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 <maninder...@samsung.com> Signed-off-by: Vaneet Narang <v.nar...@samsung.com> Reviewd-by: Akhilesh Kumar <akhiles...@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 SinghN‹§²æìr¸›yúèšØb²X¬¶Ç§vØ^–)Þº{.nÇ+‰·¥Š{±‘êçzX§¶›¡Ü¨}©ž²Æ zÚ&j:+v‰¨¾«‘êçzZ+€Ê+zf£¢·hšˆ§~††Ûiÿûàz¹®w¥¢¸?™¨èÚ&¢)ߢf”ù^jÇ«y§m…á@A«a¶Úÿ 0¶ìh®å’i