5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
[ Upstream commit bba1f6758a9ec90c1adac5dcf78f8a15f1bad65b ]
missing fdput() on a failure exit
Fixes: 6a9d552483d50 "media: rc: bpf attach/detach requires write permission" # v6.9
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/rc/lirc_dev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index d73f02b0db842..54f4a7cd88f43 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -841,8 +841,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write)
return ERR_PTR(-EINVAL);
}
- if (write && !(f.file->f_mode & FMODE_WRITE))
+ if (write && !(f.file->f_mode & FMODE_WRITE)) {
+ fdput(f);
return ERR_PTR(-EPERM);
+ }
fh = f.file->private_data;
dev = fh->rc;
--
2.43.0
