Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-25 Thread isely
Well this is an interesting one. It makes an incorrect assumption about the behavior of do { ... } while(0), that being issuance of a continue within the loop would force execution to go back to the top of the loop. But what it really does is force a jump to the bottom, where the false

Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-24 Thread Mike Isely
Sorry been asleep at the wheel here. I'll take a look. Please realize that the code path being talked about here HAS worked - because the encoder does tend to fail and this is how the driver recovers. -Mike On Fri, 16 Jan 2015, Hans Verkuil wrote: On 01/16/2015 12:29 PM, Haim Daniel

Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-16 Thread Hans Verkuil
On 01/05/2015 11:38 PM, Haim Daniel wrote: In case a command is timed out, current flow sets the retry_flag and does nothing. Really? That's not how I read the code: it retries up to 20 times before bailing out. Perhaps you missed the if (try_count 20) continue; line? Regards, Hans

Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-16 Thread Haim Daniel
It looks that if (try_count 20) continue jumps to end of the do ... while(0) loop and goes out. --hd. On Fri, 2015-01-16 at 11:57 +0100, Hans Verkuil wrote: On 01/05/2015 11:38 PM, Haim Daniel wrote: In case a command is timed out, current flow sets the retry_flag and does nothing.

Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-16 Thread Hans Verkuil
On 01/16/2015 12:29 PM, Haim Daniel wrote: It looks that if (try_count 20) continue jumps to end of the do ... while(0) loop and goes out. Ah, you are right. But that is obviously not what was intended, so just removing it is not a proper 'fix'. Mike, can you take a look at this? Regards,

Re: [PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-16 Thread Haim Daniel
Removing 8 years old dead code seemed right to silly me. On Fri, 2015-01-16 at 12:37 +0100, Hans Verkuil wrote: On 01/16/2015 12:29 PM, Haim Daniel wrote: It looks that if (try_count 20) continue jumps to end of the do ... while(0) loop and goes out. Ah, you are right. But that is

[PATCH] [media] [pvrusb2]: remove dead retry cmd code

2015-01-05 Thread Haim Daniel
In case a command is timed out, current flow sets the retry_flag and does nothing. Signed-off-by: Haim Daniel haim.dan...@gmail.com --- drivers/media/usb/pvrusb2/pvrusb2-encoder.c | 15 +-- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git