summaryrefslogtreecommitdiff
path: root/fs/dax.c
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2022-09-29 14:30:51 -0700
committerJakub Kicinski <kuba@kernel.org>2022-09-29 14:30:51 -0700
commitaccc3b4a572bba903a801a393532272727f83f5b (patch)
treeb6677755ec43793d5719246f51e27f0e9d12b6c0 /fs/dax.c
parent510bbf82f8dc36804114873d30ed1d0c8533af81 (diff)
parent511cce163b75bc3933fa3de769a82bb7e8663f2b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/dax.c')
-rw-r--r--fs/dax.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/dax.c b/fs/dax.c
index c440dcef4b1b..1c6867810cbd 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1445,6 +1445,9 @@ dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
loff_t done = 0;
int ret;
+ if (!iomi.len)
+ return 0;
+
if (iov_iter_rw(iter) == WRITE) {
lockdep_assert_held_write(&iomi.inode->i_rwsem);
iomi.flags |= IOMAP_WRITE;