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| author | hujianyang <hujianyang@huawei.com> | 2014-06-11 10:40:10 +0800 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2014-07-19 09:53:51 +0300 |
| commit | 5a95741a574f69c8219d3164d1fbf1c855566afe (patch) | |
| tree | d162ae6e5ccd57731a3801e83483ba6d9ba51fe2 /fs | |
| parent | 033ead8230c2cf9cdc2d6e1148bfdf5674012a9c (diff) | |
| download | linux-5a95741a574f69c8219d3164d1fbf1c855566afe.tar.gz linux-5a95741a574f69c8219d3164d1fbf1c855566afe.tar.bz2 linux-5a95741a574f69c8219d3164d1fbf1c855566afe.zip | |
UBIFS: fix error handling in dump_lpt_leb()
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ubifs/lpt_commit.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c index 45d4e96a6bac..ff47893ad5fd 100644 --- a/fs/ubifs/lpt_commit.c +++ b/fs/ubifs/lpt_commit.c @@ -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); |