mtd: use for_each_clear_bit()

Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index e1e122f..9bcd1f4 100644 (file)
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -2526,12 +2526,10 @@ static void cfi_intelext_restore_locks(struct mtd_info *mtd)
                if (!region->lockmap)
                        continue;
 
-               for (block = 0; block < region->numblocks; block++) {
+               for_each_clear_bit(block, region->lockmap, region->numblocks) {
                        len = region->erasesize;
                        adr = region->offset + block * len;
-
-                       if (!test_bit(block, region->lockmap))
-                               cfi_intelext_unlock(mtd, adr, len);
+                       cfi_intelext_unlock(mtd, adr, len);
                }
        }
 }