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Mon, 30 Mar 2026 06:22:11 +0000 (GMT) From: Venkat Rao Bagalkote To: linux-kernel@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, maddy@linux.ibm.com, ritesh.list@gmail.com, arnd@arndb.de, chleroy@kernel.org, Venkat Rao Bagalkote Subject: [PATCH v3] char: nvram: Remove unused nvram_mutex to fix -Wunused-variable warning Date: Mon, 30 Mar 2026 11:52:01 +0530 Message-ID: <20260330062201.2581-1-venkat88@linux.ibm.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzMwMDA0NyBTYWx0ZWRfXz03hlpfJFT+Q +rtWUBtKOGIsIXnRC8DQJAO3aYwinSuHxDZKObux4gZHz2JI/c/vFJ2L5Th8k7D9XCZaV0okkkq cJucyMs0bP0n017r/E8a4q4hZr0hZlymqxm4k0Sps7l/P6xTKqggc0ubkzHLOcr05sJcY6+VCEG mDFOpkyI5YsJFzIRmuakblooyrls95SBjEtRs79VhvFIa3wtaRjP7Zk5HUoOyZVAiWYf2ZJsHtI mPwyYtPs2Qqo08EYGQenveIGknVs2c/eqaIzDW4N6Nwqb68OxHQl4k4F2IXbrrGIowRjc9ooCZf 8mPoC6xa2K9eef7WBUiq/SSqCbQiydwRUNPICsvSx/XUZ+BEdFb+r/klonufnEu9WjDvT8flPlM h1tReDm7/F9e5BHhJljtbusfQyo4QYyXJHgXYeyHTi9550MpOv4sipA2JHuPTSNdiX1Cw6EJDzh GUBYLXhLXIg+Ku43YoA== X-Authority-Analysis: v=2.4 cv=QKZlhwLL c=1 sm=1 tr=0 ts=69ca169d cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=pGLkceISAAAA:8 a=VnNF1IyMAAAA:8 a=1sboiQz5TgUy5XRvxJ4A:9 a=zZCYzV9kfG8A:10 X-Proofpoint-GUID: 9LAJ6FKGBqwJequDGSOWCXIM5UGnFKiJ X-Proofpoint-ORIG-GUID: 58y5gv5o_vxrupyRU_j4CNgRxrQmzl4z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-29_05,2026-03-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015 spamscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603300047 Content-Type: text/plain; charset="utf-8" drivers/char/nvram.c defines a static mutex 'nvram_mutex' which is never used. This results in a compiler warning on linux-next builds: warning: 'nvram_mutex' defined but not used [-Wunused-variable] Remove the unused definition to avoid the warning. Suggested-by: Arnd Bergmann Suggested-by: Ritesh Harjani (IBM) Signed-off-by: Venkat Rao Bagalkote --- v3: - Removed global nvram_mutex entirely drivers/char/nvram.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 9eff426a9286..9ab2744cd375 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -53,7 +53,6 @@ #include #endif =20 -static DEFINE_MUTEX(nvram_mutex); static DEFINE_SPINLOCK(nvram_state_lock); static int nvram_open_cnt; /* #times opened */ static int nvram_open_mode; /* special open modes */ --=20 2.45.2