Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH] mtd: diskonchip: mem resource name is not optional | Date | Wed, 19 Mar 2014 18:24:37 -0400 |
| |
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
| |