From: Jules Irenge <jbi.octave@gmail.com>
Date: Tue, 7 Apr 2020 03:08:30 +0000 (-0700)
Subject: mm/zsmalloc: add missing annotation for unpin_tag()
X-Git-Tag: v5.15~4112^2~73
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bc22b18b1f805dd785c408060f21aecb4c500ea5;p=platform%2Fkernel%2Flinux-starfive.git

mm/zsmalloc: add missing annotation for unpin_tag()

Sparse reports a warning at unpin_tag()()

warning: context imbalance in unpin_tag() - unexpected unlock

The root cause is the missing annotation at unpin_tag()
Add the missing __releases(bitlock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-14-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 7bac76a..2aa2d52 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -896,7 +896,7 @@ static void pin_tag(unsigned long handle) __acquires(bitlock)
 	bit_spin_lock(HANDLE_PIN_BIT, (unsigned long *)handle);
 }
 
-static void unpin_tag(unsigned long handle)
+static void unpin_tag(unsigned long handle) __releases(bitlock)
 {
 	bit_spin_unlock(HANDLE_PIN_BIT, (unsigned long *)handle);
 }