On 16.12.2016 14:32, Colin King wrote:
> 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;
> 

Good catch!

Thanks,
//richard

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