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mtd: diskonchip: mem resource name is not optional

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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>
Tested-by: Alexander Shiyan <shc_work@mail.ru>
Cc: <stable@vger.kernel.org> # 3.14
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Sasha Levin 2014-03-19 18:24:37 -04:00 committed by Brian Norris
parent 148256fa0b
commit 86e4bbc766
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/nand/diskonchip.c
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@ -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) {