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authorCharles Mirabile <cmirabil@redhat.com>2023-11-20 13:55:45 +0300
committerJens Axboe <axboe@kernel.dk>2023-11-20 19:01:42 +0300
commit8479063f1fbee201a8739130e816cc331b675838 (patch)
tree4dcd46e9f1452720fe74187f52cf734f63fd1a83 /io_uring
parenta0d45c3f596be53c1bd8822a1984532d14fdcea9 (diff)
downloadlinux-8479063f1fbee201a8739130e816cc331b675838.tar.xz
io_uring/fs: consider link->flags when getting path for LINKAT
In order for `AT_EMPTY_PATH` to work as expected, the fact that the user wants that behavior needs to make it to `getname_flags` or it will return ENOENT. Fixes: cf30da90bc3a ("io_uring: add support for IORING_OP_LINKAT") Cc: <stable@vger.kernel.org> Link: https://github.com/axboe/liburing/issues/995 Signed-off-by: Charles Mirabile <cmirabil@redhat.com> Link: https://lore.kernel.org/r/20231120105545.1209530-1-cmirabil@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/fs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/fs.c b/io_uring/fs.c
index 08e3b175469c..eccea851dd5a 100644
--- a/io_uring/fs.c
+++ b/io_uring/fs.c
@@ -254,7 +254,7 @@ int io_linkat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
newf = u64_to_user_ptr(READ_ONCE(sqe->addr2));
lnk->flags = READ_ONCE(sqe->hardlink_flags);
- lnk->oldpath = getname(oldf);
+ lnk->oldpath = getname_uflags(oldf, lnk->flags);
if (IS_ERR(lnk->oldpath))
return PTR_ERR(lnk->oldpath);