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SubjectRe: [PATCH] mtd: diskonchip: mem resource name is not optional
On 03/22/2014 04:39 AM, Alexander Shiyan wrote:
> Wed, 19 Mar 2014 18:24:37 -0400 от Sasha Levin <sasha.levin@oracle.com>:
>> Passing a name to request_mem_region() isn't optional and can't just
>> be NULL. Passing NULL causes a NULL ptr deref later in the boot
>> process.
>>
>> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
>> ---
>> drivers/mtd/nand/diskonchip.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
>> index b9b4db6..f68a7bc 100644
>> --- a/drivers/mtd/nand/diskonchip.c
>> +++ b/drivers/mtd/nand/diskonchip.c
>> @@ -1439,7 +1439,7 @@ static int __init doc_probe(unsigned long physadr)
>> int reg, len, numchips;
>> int ret = 0;
>>
>> - if (!request_mem_region(physadr, DOC_IOREMAP_LEN, NULL))
>> + if (!request_mem_region(physadr, DOC_IOREMAP_LEN, "DiskOnChip"))
>> return -EBUSY;
>> virtadr = ioremap(physadr, DOC_IOREMAP_LEN);
>> if (!virtadr) {
>> --
>
> Tested-by: Alexander Shiyan <shc_work@mail.ru>

It seems that no one pulled this patch anywhere. It fixes a straightforward
boot failure on boot when diskonchip is enabled in the config.

Someone grab it please?


Thanks,
Sasha

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