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mtd/m25p80: fix test for end of loop 

"plat_id" is always non-NULL here.  There is a zero element on the end
of the m25p_ids[] array and if we hit the end of the loop then plat_id
points to that.

This would lead to a NULL pointer dereference later on in the function.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Dan Carpenter 2010-08-12 09:58:27 +02:00 committed by David Woodhouse
parent b06cd21e2f
commit f78ec6b2f3
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/devices/m25p80.c
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@ -793,7 +793,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
break;
}
if (plat_id)
if (i < ARRAY_SIZE(m25p_ids) - 1)
id = plat_id;
else
dev_warn(&spi->dev, "unrecognized id %s\n", data->type);