linux-kernel - [PATCH 1/5] staging: gasket: sysfs: remove check for refcount already zero

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Date:   Fri, 27 Jul 2018 22:21:56 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        John Joseph <jnjoseph@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 1/5] staging: gasket: sysfs: remove check for refcount already zero

From: Todd Poynor <toddpoynor@...gle.com>

Remove the check for refcount already zero, which shouldn't be
necessary.

Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
 drivers/staging/gasket/gasket_sysfs.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c
index 418b81797e638..2d8647de697cd 100644
--- a/drivers/staging/gasket/gasket_sysfs.c
+++ b/drivers/staging/gasket/gasket_sysfs.c
@@ -111,8 +111,6 @@ static void put_mapping(struct gasket_sysfs_mapping *mapping)
 	}
 
 	mutex_lock(&mapping->mutex);
-	if (refcount_read(&mapping->refcount.refcount) == 0)
-		dev_err(mapping->device, "Refcount is already 0\n");
 	if (kref_put(&mapping->refcount, release_entry)) {
 		dev_dbg(mapping->device, "Removing Gasket sysfs mapping\n");
 		/*
-- 
2.18.0.345.g5c9ce644c3-goog