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Fri, 14 Feb 2020 16:09:27 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EF9712467E; Fri, 14 Feb 2020 16:09:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696560; bh=bJwMejCJ7wfSrKEAorwvGbjuKx8HNWXqhXK5lwq8Rxs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cWcw6JOQ8bLfHMRzIwwt6wD/DJ6fqZmQTCMOJUqpTP5qUmiYPGGDm1dpQ8SEMGNEa +cbmE9fN5C+AA1+WbbT1BsrGP40iTGBLPtkSM3uiD/W9jxyu41rfYvNa9FOuUkxE07 FzUf6HMFMkHBmasDzL9C9ZRwB7PLp+ER05RWO1FI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Fri, 14 Feb 2020 11:00:01 -0500 Message-Id: <20200214160149.11681-351-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214160149.11681-1-sashal@kernel.org> References: <20200214160149.11681-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-Headers-End: 1j2dWw-00CeVV-FW Subject: [f2fs-dev] [PATCH AUTOSEL 5.4 351/459] f2fs: fix memleak of kobject X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chao Yu [ Upstream commit fe396ad8e7526f059f7b8c7290d33a1b84adacab ] If kobject_init_and_add() failed, caller needs to invoke kobject_put() to release kobject explicitly. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/sysfs.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 8544c0ab7b32b..170934430d7d7 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -729,10 +729,12 @@ int __init f2fs_init_sysfs(void) ret = kobject_init_and_add(&f2fs_feat, &f2fs_feat_ktype, NULL, "features"); - if (ret) + if (ret) { + kobject_put(&f2fs_feat); kset_unregister(&f2fs_kset); - else + } else { f2fs_proc_root = proc_mkdir("fs/f2fs", NULL); + } return ret; } @@ -753,8 +755,11 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi) init_completion(&sbi->s_kobj_unregister); err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL, "%s", sb->s_id); - if (err) + if (err) { + kobject_put(&sbi->s_kobj); + wait_for_completion(&sbi->s_kobj_unregister); return err; + } if (f2fs_proc_root) sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root); -- 2.20.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel