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UBIFS: fix error handling in dump_lpt_leb()

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This patch checks the return value of 'ubifs_unpack_nnode()'.
If this function returns an error, 'nnode' may not be
initialized, so just print an error message and break.

Signed-off-by: hujianyang <hujianyang@huawei.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
hujianyang 2014-06-11 10:40:10 +08:00 committed by Artem Bityutskiy
parent 033ead8230
commit 5a95741a57
1 changed files with 5 additions and 0 deletions
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5
fs/ubifs/lpt_commit.c
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@ -1941,6 +1941,11 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
pr_err("LEB %d:%d, nnode, ",
lnum, offs);
err = ubifs_unpack_nnode(c, p, &nnode);
if (err) {
pr_err("failed to unpack_node, error %d\n",
err);
break;
}
for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
pr_cont("%d:%d", nnode.nbranch[i].lnum,
nnode.nbranch[i].offs);