Messages in this thread Patch in this message | | | Date | Mon, 25 Sep 2017 03:08:08 -0700 | From | tip-bot for Sean Fu <> | Subject | [tip:x86/urgent] x86/sysfs: Fix off-by-one error in loop termination |
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Commit-ID: 7d7099433d9eaaa5a989a55f1fa354c16a3ad297 Gitweb: http://git.kernel.org/tip/7d7099433d9eaaa5a989a55f1fa354c16a3ad297 Author: Sean Fu <fxinrong@gmail.com> AuthorDate: Mon, 11 Sep 2017 08:33:21 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Mon, 25 Sep 2017 09:36:16 +0200
x86/sysfs: Fix off-by-one error in loop termination
An off-by-one error in loop terminantion conditions in create_setup_data_nodes() will lead to memory leak when create_setup_data_node() failed.
Signed-off-by: Sean Fu <fxinrong@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1505090001-1157-1-git-send-email-fxinrong@gmail.com
--- arch/x86/kernel/ksysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c index 4b0592c..8c1cc08 100644 --- a/arch/x86/kernel/ksysfs.c +++ b/arch/x86/kernel/ksysfs.c @@ -299,7 +299,7 @@ static int __init create_setup_data_nodes(struct kobject *parent) return 0; out_clean_nodes: - for (j = i - 1; j > 0; j--) + for (j = i - 1; j >= 0; j--) cleanup_setup_data_node(*(kobjp + j)); kfree(kobjp); out_setup_data_kobj:
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