From bfcf677decd8051c305b1d8fda407d069c2361e3 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 24 May 2011 14:10:03 +0300
Subject: [PATCH] UBIFS: dump stack when pnode or nnode reading fails
When we fail to read a pnode or nnode - print stacktrace if debugging is enabled.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
fs/ubifs/lpt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index ef5155e109a27..04713cd22679c 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -1247,6 +1247,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
out:
ubifs_err("error %d reading nnode at %d:%d", err, lnum, offs);
+ dbg_dump_stack();
kfree(nnode);
return err;
}
@@ -1312,6 +1313,7 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
out:
ubifs_err("error %d reading pnode at %d:%d", err, lnum, offs);
dbg_dump_pnode(c, pnode, parent, iip);
+ dbg_dump_stack();
dbg_msg("calc num: %d", calc_pnode_num_from_parent(c, parent, iip));
kfree(pnode);
return err;
--
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