On Sat, Mar 21, 2015 at 1:15 PM, Josh Triplett <josh@xxxxxxxxxxxxxxxx> wrote:
> On Sat, Mar 21, 2015 at 01:00:13PM -0400, Sanidhya Kashyap wrote:
>> Checking for ENOMEM even for new_opts in reiserfs_remount function as
>> there is a possibility of nothing being allocated.
>
> You don't need to add a new label; kfree(NULL) is a no-op.
>
Shall I resubmit the patch?
Thanks,
Sanidhya
>> Signed-off-by: Sanidhya Kashyap <sanidhya.gatech@xxxxxxxxx>
>> ---
>> fs/reiserfs/super.c | 6 ++++++
>> 1 file changed, 6 insertions(+)
>>
>> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
>> index 71fbbe3..bf9bc66 100644
>> --- a/fs/reiserfs/super.c
>> +++ b/fs/reiserfs/super.c
>> @@ -1397,6 +1397,11 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
>> int i;
>> #endif
>>
>> + if (!new_opts) {
>> + err = -ENOMEM;
>> + goto out_err_no_kfree;
>> + }
>> +
>> sync_filesystem(s);
>> reiserfs_write_lock(s);
>>
>> @@ -1549,6 +1554,7 @@ out_err_unlock:
>> reiserfs_write_unlock(s);
>> out_err:
>> kfree(new_opts);
>> +out_err_no_kfree:
>> return err;
>> }
>>
>> --
>> 2.1.0
>>
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