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authorJakub Kicinski <kuba@kernel.org>2023-03-17 16:29:25 -0700
committerJakub Kicinski <kuba@kernel.org>2023-03-17 16:29:25 -0700
commit1118aa4c70a6978afb0c4391ad29826c14b842b3 (patch)
tree7286d535c06b720d45f0427f9060b42bf8ab1425 /io_uring/rsrc.c
parent79a22238b4f22c45cadd3b4040d644f4de320d1b (diff)
parent478a351ce0d69cef2d2bf2a686a09b356b63a66c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/wireless/nl80211.c b27f07c50a73 ("wifi: nl80211: fix puncturing bitmap policy") cbbaf2bb829b ("wifi: nl80211: add a command to enable/disable HW timestamping") https://lore.kernel.org/all/20230314105421.3608efae@canb.auug.org.au tools/testing/selftests/net/Makefile 62199e3f1658 ("selftests: net: Add VXLAN MDB test") 13715acf8ab5 ("selftest: Add test for bind() conflicts.") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'io_uring/rsrc.c')
-rw-r--r--io_uring/rsrc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 2e0a14e87187..ad10bae33b23 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -410,7 +410,7 @@ __cold static int io_rsrc_data_alloc(struct io_ring_ctx *ctx,
unsigned nr, struct io_rsrc_data **pdata)
{
struct io_rsrc_data *data;
- int ret = -ENOMEM;
+ int ret = 0;
unsigned i;
data = kzalloc(sizeof(*data), GFP_KERNEL);
@@ -1234,7 +1234,13 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, struct iovec *iov,
}
}
if (folio) {
- folio_put_refs(folio, nr_pages - 1);
+ /*
+ * The pages are bound to the folio, it doesn't
+ * actually unpin them but drops all but one reference,
+ * which is usually put down by io_buffer_unmap().
+ * Note, needs a better helper.
+ */
+ unpin_user_pages(&pages[1], nr_pages - 1);
nr_pages = 1;
}
}