Re: [PATCH v2] dgnc: Don't save boards in memory that have failed to initialize
From: Giedrius StatkeviÄius
Date: Thu Mar 12 2015 - 12:14:37 EST
On 2015.03.12 12:08, Greg KH wrote:
> On Mon, Mar 09, 2015 at 06:29:38PM +0200, Giedrius StatkeviÄius wrote:
>> Remove BOARD_FAILED and don't save dgnc_boards which failed to
>> Assign the result of kzalloc() to brd in dgnc_found_board() and only put
>> it in the dgnc_Board if it successfully initializes. Also, remove
>> BOARD_FAILED enum and all ifs that check for it. Finally, remove one
>> final place where state was set to BOARD_FAILED which was even redundant
>> before this patch.
>> Signed-off-by: Giedrius StatkeviÄius <giedrius.statkevicius@xxxxxxxxx>
>> v2: Remove "brd = dgnc_Board[dgnc_NumBoards];" line which I forgot to do
>> in the first version
>> drivers/staging/dgnc/dgnc_driver.c | 20 ++------------------
>> drivers/staging/dgnc/dgnc_driver.h | 3 +--
>> drivers/staging/dgnc/dgnc_mgmt.c | 5 +----
>> drivers/staging/dgnc/dgnc_tty.c | 8 --------
>> 4 files changed, 4 insertions(+), 32 deletions(-)
>> diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
>> index fa1ee79..075727d 100644
>> --- a/drivers/staging/dgnc/dgnc_driver.c
>> +++ b/drivers/staging/dgnc/dgnc_driver.c
>> @@ -401,8 +401,7 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
>> unsigned long flags;
>> /* get the board structure and prep it */
>> - dgnc_Board[dgnc_NumBoards] = kzalloc(sizeof(*brd), GFP_KERNEL);
>> - brd = dgnc_Board[dgnc_NumBoards];
>> + brd = kzalloc(sizeof(*brd), GFP_KERNEL);
> You've done a great job here, but...
> Yeah, sorry...
> I really want to see this whole "static list of boards/cards" go away.
> There should not be any need for that in any in-kernel driver. Your
> patch here is a sign that things are really wrong with this whole static
> array mess.
> So could you do that instead? I don't want to take patches around this
> whole "board state" mess anymore, as it should all not be needed at all.
> If you need pointers on what needs to be done here, just let me know.
> greg k-h
I can try :) But my main concern is the lack of dgnc driver maintainers
activity and that I don't own the hardware this driver is written for as
it's quite expensive (cheapest cards I've found start at 300$~) and I
can't afford it ATM. But I guess if I keep the patches small and logical
everything will be okay.
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