3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Sasha Levin <sasha.le...@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.le...@oracle.com>
Tested-by: Alexander Shiyan <shc_w...@mail.ru>
Signed-off-by: Brian Norris <computersforpe...@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gre...@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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