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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>
This commit is contained in:
Artem Bityutskiy 2011-05-24 14:10:03 +03:00 committed by Artem Bityutskiy
parent ae380ce047
commit bfcf677dec
1 changed files with 2 additions and 0 deletions
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2
fs/ubifs/lpt.c
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@ -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;