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authorDan Carpenter <dan.carpenter@oracle.com>2014-02-17 23:03:08 +0300
committerJiri Slaby <jslaby@suse.cz>2014-05-15 09:56:11 +0200
commita46c32362ed74b19462c553604726e271c89b01f (patch)
tree4be357b61eb4a02762db2ea5c54e4edc47ad9e06
parentbf1490bcaaef902ab5fa9451f6087873c0568655 (diff)
mtd: nuc900_nand: NULL dereference in nuc900_nand_enable()
commit c69dbbf3335a21aae74376d7e5db50a486d52439 upstream. Instead of writing to "nand->reg + REG_FMICSR" we write to "REG_FMICSR" which is NULL and not a valid register. Fixes: 8bff82cbc308 ('mtd: add nand support for w90p910 (v2)') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-rw-r--r--drivers/mtd/nand/nuc900_nand.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index 52115151e4a7..2e1d16bf9818 100644
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -225,7 +225,7 @@ static void nuc900_nand_enable(struct nuc900_nand *nand)
val = __raw_readl(nand->reg + REG_FMICSR);
if (!(val & NAND_EN))
- __raw_writel(val | NAND_EN, REG_FMICSR);
+ __raw_writel(val | NAND_EN, nand->reg + REG_FMICSR);
val = __raw_readl(nand->reg + REG_SMCSR);