From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 5 Nov 2007 22:50:52 +0000 (-0800)
Subject: Dump stack during sysctl registration failure
X-Git-Tag: upstream/snapshot3+hdmi~29179
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5db6a4dac1c7f459af2f895f6889346cedd467a1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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 @@ 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;
 }