From: Bart Van Assche <bvanassche@acm.org>
Date: Sat, 4 Jan 2014 13:20:36 +0000 (+0100)
Subject: firmware loader: Add sparse annotation
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=98233b21cd6e6b9bd8ad5d4756bda1c051567468;p=deliverable%2Flinux.git

firmware loader: Add sparse annotation

Avoid that sparse reports the following warning on __fw_free_buf():

drivers/base/firmware_class.c:230:9: warning: context imbalance in '__fw_free_buf' - unexpected unlock

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 33b87bf664ab..54592e66551f 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -228,6 +228,7 @@ static int fw_lookup_and_allocate_buf(const char *fw_name,
 }
 
 static void __fw_free_buf(struct kref *ref)
+	__releases(&fwc->lock)
 {
 	struct firmware_buf *buf = to_fwbuf(ref);
 	struct firmware_cache *fwc = buf->fwc;