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lirc: rc_dev_get_from_fd(): fix file leak

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[ Upstream commit bba1f6758a ]

missing fdput() on a failure exit

Fixes: 6a9d552483 "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>
This commit is contained in:
Al Viro 2024-05-30 23:58:26 -04:00 committed by Greg Kroah-Hartman
parent 4f79a18af9
commit f4c6ebb053
1 changed files with 3 additions and 1 deletions
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4
drivers/media/rc/lirc_dev.c
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@ -828,8 +828,10 @@ 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;