Unverified Commit dc7cb2d2 authored by Jiapeng Chong's avatar Jiapeng Chong Committed by Christian Brauner
Browse files

fs/buffer: Remove redundant assignment to err 



Variable 'err' set but not used.

fs/buffer.c:2613:2: warning: Value stored to 'err' is never read.

Reported-by: default avatarAbaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4589


Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 4e04143c

fs/buffer.c

+3 −6
Original line number Diff line number Diff line
@@ -2581,7 +2581,7 @@ int block_truncate_page(struct address_space *mapping, 
	struct inode *inode = mapping->host;

	struct page *page;

	struct buffer_head *bh;

	int err;

	int err = 0;



	blocksize = i_blocksize(inode);

	length = offset & (blocksize - 1);
@@ -2594,9 +2594,8 @@ int block_truncate_page(struct address_space *mapping, 
	iblock = (sector_t)index << (PAGE_SHIFT - inode->i_blkbits);

	

	page = grab_cache_page(mapping, index);

	err = -ENOMEM;

	if (!page)

		goto out;

		return -ENOMEM;



	if (!page_has_buffers(page))

		create_empty_buffers(page, blocksize, 0);
@@ -2610,7 +2609,6 @@ int block_truncate_page(struct address_space *mapping, 
		pos += blocksize;

	}



	err = 0;

	if (!buffer_mapped(bh)) {

		WARN_ON(bh->b_size != blocksize);

		err = get_block(inode, iblock, bh, 0);
@@ -2634,12 +2632,11 @@ int block_truncate_page(struct address_space *mapping, 


	zero_user(page, offset, length);

	mark_buffer_dirty(bh);

	err = 0;



unlock:

	unlock_page(page);

	put_page(page);

out:



	return err;

}

EXPORT_SYMBOL(block_truncate_page);