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 <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]

diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c
index 4b0592ca9e47b332d0ce67f8bcf5f555653587b2..8c1cc08f514f4362bdaefa933fda3cd3769b04f9 100644 (file)
--- 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: