Patchwork [4/7] mtd: use for_each_clear_bit

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Submitter Akinobu Mita
Date Jan. 13, 2012, 3:53 p.m.
Message ID <1326470004-10096-5-git-send-email-akinobu.mita@gmail.com>
Download mbox | patch
Permalink /patch/135911/
State New
Headers show

Comments

Akinobu Mita - Jan. 13, 2012, 3:53 p.m.
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>
Cc: linux-mtd@lists.infradead.org
---
 drivers/mtd/chips/cfi_cmdset_0001.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

Patch

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index e1e122f..9bcd1f4 100644
--- 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);
 		}
 	}
 }