[PATCH] mtd: block2mtd: page_read() never returns NULL

From: Ryosuke Saito
Date: Mon Apr 23 2012 - 06:48:49 EST


page_read() never returns NULL, so we can remove the NULL check here.

Signed-off-by: Ryosuke Saito <raitosyo@xxxxxxxxx>
---
drivers/mtd/devices/block2mtd.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index a4a80b7..300aeb8 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -52,8 +52,6 @@ static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len)

while (pages) {
page = page_read(mapping, index);
- if (!page)
- return -ENOMEM;
if (IS_ERR(page))
return PTR_ERR(page);

@@ -112,8 +110,6 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
len = len - cpylen;

page = page_read(dev->blkdev->bd_inode->i_mapping, index);
- if (!page)
- return -ENOMEM;
if (IS_ERR(page))
return PTR_ERR(page);

@@ -148,8 +144,6 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf,
len = len - cpylen;

page = page_read(mapping, index);
- if (!page)
- return -ENOMEM;
if (IS_ERR(page))
return PTR_ERR(page);

--
1.7.9.6


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