[PATCH] Dump stack during sysctl registration failure

From: Alexey Dobriyan
Date: Sat Oct 27 2007 - 14:43:44 EST


On Sat, Oct 27, 2007 at 10:34:53PM +0400, wrote:
> --- a/arch/powerpc/kernel/idle.c
> +++ b/arch/powerpc/kernel/idle.c
> @@ -122,7 +122,7 @@ static ctl_table powersave_nap_sysctl_root[] = {
> {
> .ctl_name = CTL_KERN,
> .procname = "kernel",
> - .mode = 0755,
> + .mode = 0555,

Speaking of...


[PATCH] 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@xxxxxxxxx>
---

kernel/sysctl_check.c | 1 +
1 file changed, 1 insertion(+)

--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -1432,6 +1432,7 @@ static void set_fail(const char **fail, struct ctl_table *table, const char *str
printk(KERN_ERR "sysctl table check failed: ");
sysctl_print_path(table);
printk(" %s\n", *fail);
+ dump_stack();
}
*fail = str;
}
-
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