From d9d2e9d5c9eead1f73f92f5fc03424dab90b6c95 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Sun, 15 Aug 2010 18:51:56 +0200 Subject: lirc: make chardev nonseekable There does not seem to be a need for lirc to allow seeking on the file descriptor, so let's just disallow this before users start relying on it. Signed-off-by: Arnd Bergmann --- drivers/media/IR/ir-lirc-codec.c | 1 + drivers/media/IR/lirc_dev.c | 2 ++ 2 files changed, 3 insertions(+) (limited to 'drivers/media') diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c index 77b5946..8a12893 100644 --- a/drivers/media/IR/ir-lirc-codec.c +++ b/drivers/media/IR/ir-lirc-codec.c @@ -235,6 +235,7 @@ static struct file_operations lirc_fops = { .poll = lirc_dev_fop_poll, .open = lirc_dev_fop_open, .release = lirc_dev_fop_close, + .llseek = no_llseek, }; static int ir_lirc_register(struct input_dev *input_dev) diff --git a/drivers/media/IR/lirc_dev.c b/drivers/media/IR/lirc_dev.c index 899891b..5b145e8 100644 --- a/drivers/media/IR/lirc_dev.c +++ b/drivers/media/IR/lirc_dev.c @@ -460,6 +460,8 @@ error: mutex_unlock(&lirc_dev_lock); + nonseekable_open(inode, file); + return retval; } EXPORT_SYMBOL(lirc_dev_fop_open); -- cgit v1.1