From patchwork Tue Nov 28 11:10:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artem Chernyshev X-Patchwork-Id: 748018 Authentication-Results: smtp.subspace.kernel.org; dkim=none X-Greylist: delayed 567 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 28 Nov 2023 03:19:48 PST Received: from gw.red-soft.ru (red-soft.ru [188.246.186.2]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CF8DD194; Tue, 28 Nov 2023 03:19:48 -0800 (PST) Received: from localhost.biz (unknown [10.81.81.211]) by gw.red-soft.ru (Postfix) with ESMTPA id 9643E3E1A83; Tue, 28 Nov 2023 14:10:18 +0300 (MSK) From: Artem Chernyshev To: Satish Kharat , Sesidhar Baddela Cc: Artem Chernyshev , Karan Tilak Kumar , "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org Subject: [PATCH] scsi: fnic: return error if vmalloc failed Date: Tue, 28 Nov 2023 14:10:08 +0300 Message-Id: <20231128111008.2280507-1-artem.chernyshev@red-soft.ru> X-Mailer: git-send-email 2.37.3 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-KLMS-Rule-ID: 1 X-KLMS-Message-Action: clean X-KLMS-AntiSpam-Lua-Profiles: 181650 [Nov 28 2023] X-KLMS-AntiSpam-Version: 6.0.0.2 X-KLMS-AntiSpam-Envelope-From: artem.chernyshev@red-soft.ru X-KLMS-AntiSpam-Rate: 0 X-KLMS-AntiSpam-Status: not_detected X-KLMS-AntiSpam-Method: none X-KLMS-AntiSpam-Auth: dkim=none X-KLMS-AntiSpam-Info: LuaCore: 5 0.3.5 98d108ddd984cca1d7e65e595eac546a62b0144b, {Tracking_from_domain_doesnt_match_to}, localhost.biz:7.1.1; 127.0.0.199:7.1.2; red-soft.ru:7.1.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s X-MS-Exchange-Organization-SCL: -1 X-KLMS-AntiSpam-Interceptor-Info: scan successful X-KLMS-AntiPhishing: Clean, bases: 2023/11/28 09:02:00 X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, bases: 2023/11/28 07:11:00 #22560184 X-KLMS-AntiVirus-Status: Clean, skipped In fnic_init_module() exists redundant check for return value from fnic_debugfs_init(), because at moment it only can return zero. It make sense to process theoretical vmalloc failure. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 9730ddfb123d ("scsi: fnic: remove redundant assignment of variable rc") Signed-off-by: Artem Chernyshev Reviewed-by: Karan Tilak Kumar --- drivers/scsi/fnic/fnic_debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index c4d9ed0d7d75..cf2601bf170a 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -52,9 +52,10 @@ int fnic_debugfs_init(void) fc_trc_flag->fnic_trace = 2; fc_trc_flag->fc_trace = 3; fc_trc_flag->fc_clear = 4; + return 0; } - return 0; + return -ENOMEM; } /*