From: Arthur Othieno <a.othieno@bluewin.ch>
Date: Mon, 7 Nov 2005 08:59:01 +0000 (-0800)
Subject: [PATCH] xtensa: struct semaphore.sleepers initialization
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aa3a6f456f6ca162d3406a6e2c09a5c928833e4f;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] xtensa: struct semaphore.sleepers initialization

No one may sleep on us until we've been down()'d.  So on allocation,
initialize `sleepers' to 0, just like everyone else does.

Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch>
Acked-by: Christian Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/include/asm-xtensa/semaphore.h b/include/asm-xtensa/semaphore.h
index 2a10e193b929..f10c3487cd4c 100644
--- a/include/asm-xtensa/semaphore.h
+++ b/include/asm-xtensa/semaphore.h
@@ -38,6 +38,7 @@ struct semaphore {
 static inline void sema_init (struct semaphore *sem, int val)
 {
 	atomic_set(&sem->count, val);
+	sem->sleepers = 0;
 	init_waitqueue_head(&sem->wait);
 }