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Subject[PATCH] mtd: diskonchip: mem resource name is not optional
Date
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) {
--
1.7.2.5


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