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ext4: clean up ext4_xattr_list()'s error code checking and return strategy 

Any time you see code that tries to add error codes together, you
should want to claw your eyes out...

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
hifive-unleashed-5.1
Theodore Ts'o 2011-01-10 12:10:07 -05:00
parent 9325963667
commit eaeef86718
1 changed files with 13 additions and 13 deletions
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26
fs/ext4/xattr.c
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@ -427,23 +427,23 @@ cleanup:
static int
ext4_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size)
{
int i_error, b_error;
int ret, ret2;
down_read(&EXT4_I(dentry->d_inode)->xattr_sem);
i_error = ext4_xattr_ibody_list(dentry, buffer, buffer_size);
if (i_error < 0) {
b_error = 0;
} else {
if (buffer) {
buffer += i_error;
buffer_size -= i_error;
}
b_error = ext4_xattr_block_list(dentry, buffer, buffer_size);
if (b_error < 0)
i_error = 0;
ret = ret2 = ext4_xattr_ibody_list(dentry, buffer, buffer_size);
if (ret < 0)
goto errout;
if (buffer) {
buffer += ret;
buffer_size -= ret;
}
ret = ext4_xattr_block_list(dentry, buffer, buffer_size);
if (ret < 0)
goto errout;
ret += ret2;
errout:
up_read(&EXT4_I(dentry->d_inode)->xattr_sem);
return i_error + b_error;
return ret;
}
/*