linux-kernel - [PATCH 24/64 v2] staging: lustre: obdclass: no need to check for kfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 19 Aug 2017 22:26:18 -0400
From:   James Simmons <jsimmons@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        James Simmons <jsimmons@...radead.org>,
        James Simmons <uja.ornl@...oo.com>
Subject: [PATCH 24/64 v2] staging: lustre: obdclass: no need to check for kfree

In class_config_llog_handler() a flag, inst, was used to
determine if it was safe to call kfree. Its not needed so
remove the flag.

Signed-off-by: James Simmons <uja.ornl@...oo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6401
Reviewed-on: https://review.whamcloud.com/26966
Reviewed-by: Quentin Bouget <quentin.bouget@....fr>
Reviewed-by: Ben Evans <bevans@...y.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/obdclass/obd_config.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c
index dc7b27e..32ffa25 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_config.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c
@@ -1142,7 +1142,7 @@ int class_config_llog_handler(const struct lu_env *env,
 		char *inst_name = NULL;
 		int inst_len = 0;
 		size_t lcfg_len;
-		int inst = 0, swab = 0;
+		int swab = 0;
 
 		lcfg = (struct lustre_cfg *)cfg_buf;
 		if (lcfg->lcfg_version == __swab32(LUSTRE_CFG_VERSION)) {
@@ -1233,7 +1233,6 @@ int class_config_llog_handler(const struct lu_env *env,
 
 		if (clli && clli->cfg_instance &&
 		    LUSTRE_CFG_BUFLEN(lcfg, 0) > 0) {
-			inst = 1;
 			inst_len = LUSTRE_CFG_BUFLEN(lcfg, 0) +
 				   sizeof(clli->cfg_instance) * 2 + 4;
 			inst_name = kasprintf(GFP_NOFS, "%s-%p",
@@ -1304,9 +1303,7 @@ int class_config_llog_handler(const struct lu_env *env,
 
 		rc = class_process_config(lcfg_new);
 		kfree(lcfg_new);
-
-		if (inst)
-			kfree(inst_name);
+		kfree(inst_name);
 		break;
 	}
 	default:
-- 
1.8.3.1