summaryrefslogtreecommitdiffstats
path: root/fs/ext4/super.c
diff options
context:
space:
mode:
authorTheodore Ts'o <tytso@mit.edu>2014-08-29 20:52:15 -0400
committerTheodore Ts'o <tytso@mit.edu>2014-08-29 20:52:15 -0400
commit1c2150283cae895526d0db3953d13d139f4e7a03 (patch)
tree056daeae23f869aab5bbaec535ebe3eee5f19c35 /fs/ext4/super.c
parent1056008226769fe982236c26038a095aeb47714b (diff)
downloadlinux-1c2150283cae895526d0db3953d13d139f4e7a03.tar.gz
linux-1c2150283cae895526d0db3953d13d139f4e7a03.tar.bz2
linux-1c2150283cae895526d0db3953d13d139f4e7a03.zip
ext4: convert ext4_bread() to use the ERR_PTR convention
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0b28b36e7915..896e452b739d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5305,7 +5305,6 @@ static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
{
struct inode *inode = sb_dqopt(sb)->files[type];
ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb);
- int err = 0;
int offset = off & (sb->s_blocksize - 1);
int tocopy;
size_t toread;
@@ -5320,9 +5319,9 @@ static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
while (toread > 0) {
tocopy = sb->s_blocksize - offset < toread ?
sb->s_blocksize - offset : toread;
- bh = ext4_bread(NULL, inode, blk, 0, &err);
- if (err)
- return err;
+ bh = ext4_bread(NULL, inode, blk, 0);
+ if (IS_ERR(bh))
+ return PTR_ERR(bh);
if (!bh) /* A hole? */
memset(data, 0, tocopy);
else
@@ -5343,8 +5342,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
{
struct inode *inode = sb_dqopt(sb)->files[type];
ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb);
- int err = 0;
- int offset = off & (sb->s_blocksize - 1);
+ int err, offset = off & (sb->s_blocksize - 1);
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
@@ -5365,14 +5363,16 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
return -EIO;
}
- bh = ext4_bread(handle, inode, blk, 1, &err);
+ bh = ext4_bread(handle, inode, blk, 1);
+ if (IS_ERR(bh))
+ return PTR_ERR(bh);
if (!bh)
goto out;
BUFFER_TRACE(bh, "get write access");
err = ext4_journal_get_write_access(handle, bh);
if (err) {
brelse(bh);
- goto out;
+ return err;
}
lock_buffer(bh);
memcpy(bh->b_data+offset, data, len);
@@ -5381,8 +5381,6 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
err = ext4_handle_dirty_metadata(handle, NULL, bh);
brelse(bh);
out:
- if (err)
- return err;
if (inode->i_size < off + len) {
i_size_write(inode, off + len);
EXT4_I(inode)->i_disksize = inode->i_size;