提交 3836df6b 编写于 作者: J Jens Axboe 提交者: Linus Torvalds

ocfs2: bad kunmap_atomic()

kunmap_atomic() takes the virtual address, not the mapped page as
argument.
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 2f66b529
...@@ -2153,7 +2153,7 @@ static int ocfs2_splice_write_actor(struct pipe_inode_info *pipe, ...@@ -2153,7 +2153,7 @@ static int ocfs2_splice_write_actor(struct pipe_inode_info *pipe,
src = buf->ops->map(pipe, buf, 1); src = buf->ops->map(pipe, buf, 1);
dst = kmap_atomic(page, KM_USER1); dst = kmap_atomic(page, KM_USER1);
memcpy(dst + offset, src + buf->offset, count); memcpy(dst + offset, src + buf->offset, count);
kunmap_atomic(page, KM_USER1); kunmap_atomic(dst, KM_USER1);
buf->ops->unmap(pipe, buf, src); buf->ops->unmap(pipe, buf, src);
copied = ocfs2_write_end(file, file->f_mapping, sd->pos, count, count, copied = ocfs2_write_end(file, file->f_mapping, sd->pos, count, count,
......
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