commit bfcf677decd8051c305b1d8fda407d069c2361e3
author Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Tue May 24 14:10:03 2011 +0300
committer Artem Bityutskiy <dedekind1@gmail.com> Mon Jul 04 10:54:26 2011 +0300
tree ae3b439d285bc1fb3d03287c02d5fdd613a33142
parent ae380ce04731579f45f27b3a84d7d8d8ee1f9b1b

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

diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index ef5155e..04713cd 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -1247,6 +1247,7 @@
 
 out:
 	ubifs_err("error %d reading nnode at %d:%d", err, lnum, offs);
+	dbg_dump_stack();
 	kfree(nnode);
 	return err;
 }
@@ -1312,6 +1313,7 @@
 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;