5.15-stable review patch. If anyone has any objections, please let me know.
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From: Al Viro viro@zeniv.linux.org.uk
[ 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@zeniv.linux.org.uk Signed-off-by: Sasha Levin sashal@kernel.org --- 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;