[PATCH 12/16] md/bitmap: One check less in read_page() at the end

From: SF Markus Elfring
Date: Tue Sep 27 2016 - 13:00:10 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 27 Sep 2016 16:30:25 +0200

* Adjust a jump target.

* Delete a repeated check which became unnecessary with this refactoring.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/md/bitmap.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index c186e5d..e7a7fc8 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -367,7 +367,7 @@ static int read_page(struct file *file, unsigned long index,
bh = alloc_page_buffers(page, 1<<inode->i_blkbits, 0);
if (!bh) {
ret = -ENOMEM;
- goto out;
+ goto report_failure;
}
attach_page_buffers(page, bh);
block = index << (PAGE_SHIFT - inode->i_blkbits);
@@ -379,7 +379,7 @@ static int read_page(struct file *file, unsigned long index,
if (bh->b_blocknr == 0) {
/* Cannot use this file! */
ret = -EINVAL;
- goto out;
+ goto report_failure;
}
bh->b_bdev = inode->i_sb->s_bdev;
if (count < (1<<inode->i_blkbits))
@@ -401,14 +401,14 @@ static int read_page(struct file *file, unsigned long index,

wait_event(bitmap->write_wait,
atomic_read(&bitmap->pending_writes)==0);
- if (test_bit(BITMAP_WRITE_ERROR, &bitmap->flags))
+ if (test_bit(BITMAP_WRITE_ERROR, &bitmap->flags)) {
ret = -EIO;
-out:
- if (ret)
+report_failure:
printk(KERN_ALERT "md: bitmap read error: (%dB @ %llu): %d\n",
(int)PAGE_SIZE,
(unsigned long long)index << PAGE_SHIFT,
ret);
+ }
return ret;
}

--
2.10.0