From: Colin Ian King <[email protected]>

err is no longer being set on a successful return path, causing
a garbage value being returned. Fix this by setting err to zero
for the successful return path.

Found with static analysis by CoverityScan, CID 1389473

Fixes: 7799953b34d18 ("ubifs: Implement encrypt/decrypt for all IO")
Signed-off-by: Colin Ian King <[email protected]>
---
 fs/ubifs/journal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index a459211..b75f1a6 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1319,6 +1319,7 @@ static int truncate_data_node(const struct ubifs_info *c, 
const struct inode *in
        dn->compr_type = cpu_to_le16(compr_type);
        dn->size = cpu_to_le32(*new_len);
        *new_len = UBIFS_DATA_NODE_SZ + out_len;
+       err = 0;
 out:
        kfree(buf);
        return err;
-- 
2.10.2

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