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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:16 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:16 +0000 |
| commit | e6d73558dbbb7041d93e28ac0e75bfb196851eb3 (patch) | |
| tree | 8163dc603931d5e46404bd055c13f1cc3c1f6730 /drivers/media/rc/lirc_dev.c | |
| parent | Releasing progress-linux version 6.1.76-1progress7u1. (diff) | |
| download | linux-e6d73558dbbb7041d93e28ac0e75bfb196851eb3.tar.xz linux-e6d73558dbbb7041d93e28ac0e75bfb196851eb3.zip | |
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/rc/lirc_dev.c')
| -rw-r--r-- | drivers/media/rc/lirc_dev.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index 184e0b357..adb8c794a 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -814,7 +814,7 @@ void __exit lirc_dev_exit(void) unregister_chrdev_region(lirc_base_dev, RC_DEV_MAX); } -struct rc_dev *rc_dev_get_from_fd(int fd) +struct rc_dev *rc_dev_get_from_fd(int fd, bool write) { struct fd f = fdget(fd); struct lirc_fh *fh; @@ -828,6 +828,9 @@ struct rc_dev *rc_dev_get_from_fd(int fd) return ERR_PTR(-EINVAL); } + if (write && !(f.file->f_mode & FMODE_WRITE)) + return ERR_PTR(-EPERM); + fh = f.file->private_data; dev = fh->rc; |