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mtd: do not use mtd->lock_user_prot_reg directly

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Instead, check the -EOPNOTSUPP return code of 'mtd_lock_user_prot_reg()'.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy
2011-12-29 10:45:04 +02:00
committed by David Woodhouse
parent 27c151a5e5
commit e2936b2af5
2 changed files with 2 additions and 2 deletions
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2
include/linux/mtd/mtd.h
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@ -389,6 +389,8 @@ static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to,
static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len)
{
if (!mtd->lock_user_prot_reg)
return -EOPNOTSUPP;
return mtd->lock_user_prot_reg(mtd, from, len);
}