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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-30 17:00:35 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 18:26:22 +0000 |
| commit | 381345652fca688aeaa967c231e5075cf68d05b6 (patch) | |
| tree | 5f23ecdd28165d15109c6fd7ad0c4c573f094707 /include/linux/mtd | |
| parent | 327cf2922b4edf0439b219469722d2a502e37349 (diff) | |
| download | lwn-381345652fca688aeaa967c231e5075cf68d05b6.tar.gz lwn-381345652fca688aeaa967c231e5075cf68d05b6.zip | |
mtd: do not use mtd->lock, unlock and is_locked directly
Instead, call the corresponding MTD API function which will return
'-EOPNOTSUPP' if the operation is not supported.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 305f12b940f4..6c91ba59c229 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -406,16 +406,22 @@ static inline void mtd_sync(struct mtd_info *mtd) /* Chip-supported device locking */ static inline int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + if (!mtd->lock) + return -EOPNOTSUPP; return mtd->lock(mtd, ofs, len); } static inline int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + if (!mtd->unlock) + return -EOPNOTSUPP; return mtd->unlock(mtd, ofs, len); } static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + if (!mtd->is_locked) + return -EOPNOTSUPP; return mtd->is_locked(mtd, ofs, len); } |