Dump stack during sysctl registration failure
Let's make immediately obvious from where sysctl comes from and messages
itself more noticeable.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index ed6fe51..5a2f2b2 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -1432,6 +1432,7 @@
printk(KERN_ERR "sysctl table check failed: ");
sysctl_print_path(table);
printk(" %s\n", *fail);
+ dump_stack();
}
*fail = str;
}