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Commit c2589282 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher
Browse files

gfs2: fallocate_chunk: Always initialize struct iomap 



In fallocate_chunk, always initialize the iomap before calling
gfs2_iomap_get_alloc: future changes could otherwise cause things like
iomap.flags to leak across calls.

Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: default avatarBob Peterson <rpeterso@redhat.com>
parent 4a772772

fs/gfs2/file.c

+2 −1
Original line number Diff line number Diff line
@@ -877,7 +877,6 @@ static int fallocate_chunk(struct inode *inode, loff_t offset, loff_t len, 
	struct gfs2_inode *ip = GFS2_I(inode);

	loff_t end = offset + len;

	struct buffer_head *dibh;

	struct iomap iomap = { };

	int error;



	error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -893,6 +892,8 @@ static int fallocate_chunk(struct inode *inode, loff_t offset, loff_t len, 
	}



	while (offset < end) {

		struct iomap iomap = { };



		error = gfs2_iomap_get_alloc(inode, offset, end - offset,

					     &iomap);

		if (error)