From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 12 May 2009 17:29:15 +0000 (+0300)
Subject: UBI: add dump_stack in checking code
X-Git-Tag: v2.6.31-rc1~286^2~15
X-Git-Url: https://bbs.cooldavid.org/git/?a=commitdiff_plain;h=cfcf0ec84bee53799e1e393a48af5bdcf719a383;p=net-next-2.6.git

UBI: add dump_stack in checking code

I am experiencing an error in 'paranoid_check_volume()'. Add
dump_stack() there to make it easier to identify the reasons
of the error.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---

diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 419599d62b2..32c6ceb1a06 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -868,6 +868,7 @@ fail:
 	if (vol)
 		ubi_dbg_dump_vol_info(vol);
 	ubi_dbg_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id);
+	dump_stack();
 	spin_unlock(&ubi->volumes_lock);
 	return -EINVAL;
 }