linux-kernel - [PATCH 2/3] firmware loader: Add sparse annotation

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Date:	Sat, 04 Jan 2014 14:20:36 +0100
From:	Bart Van Assche <bvanassche@....org>
To:	Greg Kroah-Hartman <greg@...ah.com>
CC:	Ming Lei <ming.lei@...onical.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] 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@....org>
Cc: Ming Lei <ming.lei@...onical.com>
---
 drivers/base/firmware_class.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index eb8fb94..c2e4540 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -219,6 +219,7 @@ 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;
-- 
1.8.1.4

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