On Mon, Feb 20, 2017 at 5:30 PM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> [+CC: greybus and staging lists]
>
> On Sat, Feb 18, 2017 at 01:47:38PM +0530, sayli karnik wrote:
>> Change array index from the loop bound variable to loop index.
>> The open_poll_files() functions attempts to open poll files of devices
>> numbered from 0 to device_count. If the open() function inside it is
>> unsuccessful for any intermediate device, all files with fds of devices from 0
>> upto that device must be closed and open_poll_files() should return -1.
>> The current code only closes the poll file with the most recent fd allocated,
>> and in most cases tries to close the same file multiple times.
>
> Nice catch!
>
> You forgot to CC the relevant mailings lists however (use
> scripts/get_maintainer.pl).
Yes I'll do that!
>
> Also your patch summary is a bit too detailed, something like
>
> staging: greybus: loopback_test: fix open error path
>
> would be better.
>
> Care to resend as a v2 with a shorter summary and lists on CC?
>
Yes sure I'm sending a v2.
thanks,
sayli
>> Detected by coccinelle:
>>
>> @@
>> expression arr,ex1,ex2;
>> @@
>>
>> for(ex1 = 0; ex1 < ex2; ex1++) { <...
>> arr[
>> - ex2
>> + ex1
>> ]
>> ...> }
>>
>> Signed-off-by: sayli karnik <karniksayli1995@xxxxxxxxx>
>> ---
>> drivers/staging/greybus/tools/loopback_test.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c
>> index 18d7a3d..2ee9a22 100644
>> --- a/drivers/staging/greybus/tools/loopback_test.c
>> +++ b/drivers/staging/greybus/tools/loopback_test.c
>> @@ -674,7 +674,7 @@ static int open_poll_files(struct loopback_test *t)
>>
>> err:
>> for (i = 0; i < fds_idx; i++)
>> - close(t->fds[fds_idx].fd);
>> + close(t->fds[i].fd);
>>
>> return -1;
>> }
>
> Thanks,
> Johan
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