| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 61/83] mtd: nuc900_nand: NULL dereference in nuc900_nand_enable() | Date | Sun, 11 May 2014 21:20:02 +0200 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter <dan.carpenter@oracle.com>
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/mtd/nand/nuc900_nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mtd/nand/nuc900_nand.c +++ b/drivers/mtd/nand/nuc900_nand.c @@ -225,7 +225,7 @@ static void nuc900_nand_enable(struct nu 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);
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