On Wed, Mar 22, 2023 at 02:59:49PM +0800, Jiapeng Chong wrote: > Variable 'err' set but not used. > > fs/buffer.c:2613:2: warning: Value stored to 'err' is never read. > > Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> > Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4589 > Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> > --- > fs/buffer.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/fs/buffer.c b/fs/buffer.c > index d759b105c1e7..c844b5b93a89 100644 > --- a/fs/buffer.c > +++ b/fs/buffer.c > @@ -2580,7 +2580,7 @@ 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); > @@ -2593,9 +2593,8 @@ 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; This change makes the out: label unused.
