Reported-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/dma-buf/udmabuf.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index ec46513a47..1862bb6bed 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -154,14 +154,17 @@ static long udmabuf_create(struct const udmabuf_create_list *head,
pgbuf = 0;
for (i = 0; i < head->count; i++) {
+ ret = -EBADFD;
memfd = fget(list[i].memfd);
if (!memfd)
goto err;
if (!shmem_mapping(file_inode(memfd)->i_mapping))
goto err;
seals = memfd_fcntl(memfd, F_GET_SEALS, 0);
- if (seals == -EINVAL ||
- (seals & SEALS_WANTED) != SEALS_WANTED ||
+ if (seals == -EINVAL)
+ goto err;
+ ret = -EINVAL;
+ if ((seals & SEALS_WANTED) != SEALS_WANTED ||
(seals & SEALS_DENIED) != 0)
goto err;
pgoff = list[i].offset >> PAGE_SHIFT;
--
2.9.3
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