From ec3cad96901373ad0e21611cfbcc372fe09df1f7 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 9 Jan 2006 20:52:11 -0800 Subject: [PATCH] move rtc compat ioctl handling to fs/compat_ioctl.c This patch implements generic handling of RTC_IRQP_READ32, RTC_IRQP_SET32, RTC_EPOCH_READ32 and RTC_EPOCH_SET32 in fs/compat_ioctl.c. It's based on the x86_64 code which needed a little massaging to be endian-clean. parisc used COMPAT_IOCTL or generic w_long handlers for these whichce is wrong and can't work because the ioctls encode sizeof(unsigned long) in their ioctl number. parisc also duplicated COMPAT_IOCTL entries for other rtc ioctls which I remove in this patch, too. Signed-off-by: Christoph Hellwig Acked-by: Matthew Wilcox Acked-by: "David S. Miller" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/parisc/kernel/ioctl32.c | 19 ----------------- arch/x86_64/ia32/ia32_ioctl.c | 47 ------------------------------------------- 2 files changed, 66 deletions(-) (limited to 'arch') diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c index 4eada1bb27f..805f31486cf 100644 --- a/arch/parisc/kernel/ioctl32.c +++ b/arch/parisc/kernel/ioctl32.c @@ -36,25 +36,6 @@ HANDLE_IOCTL(SIOCGPPPSTATS, dev_ifsioc) HANDLE_IOCTL(SIOCGPPPCSTATS, dev_ifsioc) HANDLE_IOCTL(SIOCGPPPVER, dev_ifsioc) -#if defined(CONFIG_GEN_RTC) -COMPATIBLE_IOCTL(RTC_AIE_ON) -COMPATIBLE_IOCTL(RTC_AIE_OFF) -COMPATIBLE_IOCTL(RTC_UIE_ON) -COMPATIBLE_IOCTL(RTC_UIE_OFF) -COMPATIBLE_IOCTL(RTC_PIE_ON) -COMPATIBLE_IOCTL(RTC_PIE_OFF) -COMPATIBLE_IOCTL(RTC_WIE_ON) -COMPATIBLE_IOCTL(RTC_WIE_OFF) -COMPATIBLE_IOCTL(RTC_ALM_SET) /* struct rtc_time only has ints */ -COMPATIBLE_IOCTL(RTC_ALM_READ) /* struct rtc_time only has ints */ -COMPATIBLE_IOCTL(RTC_RD_TIME) /* struct rtc_time only has ints */ -COMPATIBLE_IOCTL(RTC_SET_TIME) /* struct rtc_time only has ints */ -HANDLE_IOCTL(RTC_IRQP_READ, w_long) -COMPATIBLE_IOCTL(RTC_IRQP_SET) -HANDLE_IOCTL(RTC_EPOCH_READ, w_long) -COMPATIBLE_IOCTL(RTC_EPOCH_SET) -#endif - IOCTL_TABLE_END int ioctl_table_size = ARRAY_SIZE(ioctl_start); diff --git a/arch/x86_64/ia32/ia32_ioctl.c b/arch/x86_64/ia32/ia32_ioctl.c index e335bd0b637..e11cc569935 100644 --- a/arch/x86_64/ia32/ia32_ioctl.c +++ b/arch/x86_64/ia32/ia32_ioctl.c @@ -16,45 +16,6 @@ #define CODE #include "compat_ioctl.c" - -#define RTC_IRQP_READ32 _IOR('p', 0x0b, unsigned int) /* Read IRQ rate */ -#define RTC_IRQP_SET32 _IOW('p', 0x0c, unsigned int) /* Set IRQ rate */ -#define RTC_EPOCH_READ32 _IOR('p', 0x0d, unsigned) /* Read epoch */ -#define RTC_EPOCH_SET32 _IOW('p', 0x0e, unsigned) /* Set epoch */ - -static int rtc32_ioctl(unsigned fd, unsigned cmd, unsigned long arg) -{ - unsigned long val; - mm_segment_t oldfs = get_fs(); - int ret; - - switch (cmd) { - case RTC_IRQP_READ32: - set_fs(KERNEL_DS); - ret = sys_ioctl(fd, RTC_IRQP_READ, (unsigned long)&val); - set_fs(oldfs); - if (!ret) - ret = put_user(val, (unsigned int __user *) arg); - return ret; - - case RTC_IRQP_SET32: - cmd = RTC_IRQP_SET; - break; - - case RTC_EPOCH_READ32: - set_fs(KERNEL_DS); - ret = sys_ioctl(fd, RTC_EPOCH_READ, (unsigned long) &val); - set_fs(oldfs); - if (!ret) - ret = put_user(val, (unsigned int __user *) arg); - return ret; - - case RTC_EPOCH_SET32: - cmd = RTC_EPOCH_SET; - break; - } - return sys_ioctl(fd,cmd,arg); -} #define HANDLE_IOCTL(cmd,handler) { (cmd), (ioctl_trans_handler_t)(handler) }, @@ -64,14 +25,6 @@ struct ioctl_trans ioctl_start[] = { #include #define DECLARES #include "compat_ioctl.c" - -/* And these ioctls need translation */ -/* realtime device */ -HANDLE_IOCTL(RTC_IRQP_READ, rtc32_ioctl) -HANDLE_IOCTL(RTC_IRQP_READ32,rtc32_ioctl) -HANDLE_IOCTL(RTC_IRQP_SET32, rtc32_ioctl) -HANDLE_IOCTL(RTC_EPOCH_READ32, rtc32_ioctl) -HANDLE_IOCTL(RTC_EPOCH_SET32, rtc32_ioctl) /* take care of sizeof(sizeof()) breakage */ }; -- cgit v1.2.3