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Commit d6ab17f2 authored by Darrick J. Wong's avatar Darrick J. Wong
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vfs: in iomap seek_{hole,data}, return -ENXIO for negative offsets 



In the iomap implementations of SEEK_HOLE and SEEK_DATA, make sure we
return -ENXIO for negative offsets.

Inspired-by: default avatarMateusz S <muttdini@gmail.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent 0891f997

fs/iomap.c

+4 −4
Original line number Diff line number Diff line
@@ -610,8 +610,8 @@ iomap_seek_hole(struct inode *inode, loff_t offset, const struct iomap_ops *ops) 
	loff_t length = size - offset;

	loff_t ret;



	/* Nothing to be found beyond the end of the file. */

	if (offset >= size)

	/* Nothing to be found before or beyond the end of the file. */

	if (offset < 0 || offset >= size)

		return -ENXIO;



	while (length > 0) {
@@ -656,8 +656,8 @@ iomap_seek_data(struct inode *inode, loff_t offset, const struct iomap_ops *ops) 
	loff_t length = size - offset;

	loff_t ret;



	/* Nothing to be found beyond the end of the file. */

	if (offset >= size)

	/* Nothing to be found before or beyond the end of the file. */

	if (offset < 0 || offset >= size)

		return -ENXIO;



	while (length > 0) {