[PATCH 5/5] ipmi: Add missing annotation for ipmi_ssif_lock_cond() and ipmi_ssif_unlock_cond()

From: Jules Irenge <jbi.octave@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: boqun.feng@gmail.com, Corey Minyard <minyard@acm.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	openipmi-developer@lists.sourceforge.net (moderated list:IPMI
	SUBSYSTEM)
Subject: [PATCH 5/5] ipmi: Add missing annotation for ipmi_ssif_lock_cond() and ipmi_ssif_unlock_cond()
Date: Fri,  3 Apr 2020 17:05:05 +0100	[thread overview]
Message-ID: <20200403160505.2832-6-jbi.octave@gmail.com> (raw)
In-Reply-To: <20200403160505.2832-1-jbi.octave@gmail.com>

Sparse reports a warning at ipmi_ssif_unlock_cond()
	and ipmi_ssif_lock_cond()

warning: context imbalance in ipmi_ssif_lock_cond()
	- wrong count at exit
 warning: context imbalance in ipmi_ssif_unlock_cond()
	- unexpected unlock

The root cause is the missing annotation at ipmi_ssif_unlock_cond()
	and ipmi_ssif_lock_cond()

Add the missing __acquires(&ata_scsi_rbuf_lock)
Add the missing __releases(&ata_scsi_rbuf_lock)

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 drivers/char/ipmi/ipmi_ssif.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 22c6a2e61236..030e7c09e44f 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -313,6 +313,7 @@ static int start_send(struct ssif_info *ssif_info,
 
 static unsigned long *ipmi_ssif_lock_cond(struct ssif_info *ssif_info,
 					  unsigned long *flags)
+	__acquires(&ssif_info->lock)
 {
 	spin_lock_irqsave(&ssif_info->lock, *flags);
 	return flags;
@@ -320,6 +321,7 @@ static unsigned long *ipmi_ssif_lock_cond(struct ssif_info *ssif_info,
 
 static void ipmi_ssif_unlock_cond(struct ssif_info *ssif_info,
 				  unsigned long *flags)
+	__releases(&ssif_info->lock)
 {
 	spin_unlock_irqrestore(&ssif_info->lock, *flags);
 }
-- 
2.24.1

