Commit 86e4bbc7 authored Mar 19, 2014 by Sasha Levin Committed by Brian Norris Mar 31, 2014

mtd: diskonchip: mem resource name is not optional



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>

parent 148256fa

drivers/mtd/nand/diskonchip.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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) {