| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 60/83] mtd: diskonchip: mem resource name is not optional | Date | Sun, 11 May 2014 21:20:01 +0200 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Sasha Levin <sasha.levin@oracle.com>
commit 86e4bbc766b9456f583f2fc3c4f6c623b422af88 upstream.
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> Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/mtd/nand/diskonchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1438,7 +1438,7 @@ static int __init doc_probe(unsigned lon 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) {
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