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authorArnd Bergmann <arnd@arndb.de>2007-10-09 07:23:56 -0400
committerJens Axboe <axboe@carl.home.kernel.dk>2007-10-10 03:26:00 -0400
commitb3087cc4f31a66c8c7b63419e913ed9d34145f10 (patch)
treefa597c0aebee961d086a0a40373b925eb33d73ab /fs
parent18cf7f8723d913ce02bea43e468bebdd07bc880c (diff)
compat_ioctl: move cdrom handlers to block/compat_ioctl.c
These are shared by all cd-rom drivers and should have common handlers. Do slight cosmetic cleanups in the process. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/compat_ioctl.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 3baa90d31090..24c743571127 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -37,7 +37,6 @@
37#include <linux/if_ppp.h> 37#include <linux/if_ppp.h>
38#include <linux/if_pppox.h> 38#include <linux/if_pppox.h>
39#include <linux/mtio.h> 39#include <linux/mtio.h>
40#include <linux/cdrom.h>
41#include <linux/auto_fs.h> 40#include <linux/auto_fs.h>
42#include <linux/auto_fs4.h> 41#include <linux/auto_fs4.h>
43#include <linux/tty.h> 42#include <linux/tty.h>
@@ -1039,108 +1038,6 @@ static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1039 return err ? -EFAULT: 0; 1038 return err ? -EFAULT: 0;
1040} 1039}
1041 1040
1042struct cdrom_read_audio32 {
1043 union cdrom_addr addr;
1044 u8 addr_format;
1045 compat_int_t nframes;
1046 compat_caddr_t buf;
1047};
1048
1049struct cdrom_generic_command32 {
1050 unsigned char cmd[CDROM_PACKET_SIZE];
1051 compat_caddr_t buffer;
1052 compat_uint_t buflen;
1053 compat_int_t stat;
1054 compat_caddr_t sense;
1055 unsigned char data_direction;
1056 compat_int_t quiet;
1057 compat_int_t timeout;
1058 compat_caddr_t reserved[1];
1059};
1060
1061static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
1062{
1063 struct cdrom_read_audio __user *cdread_audio;
1064 struct cdrom_read_audio32 __user *cdread_audio32;
1065 __u32 data;
1066 void __user *datap;
1067
1068 cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
1069 cdread_audio32 = compat_ptr(arg);
1070
1071 if (copy_in_user(&cdread_audio->addr,
1072 &cdread_audio32->addr,
1073 (sizeof(*cdread_audio32) -
1074 sizeof(compat_caddr_t))))
1075 return -EFAULT;
1076
1077 if (get_user(data, &cdread_audio32->buf))
1078 return -EFAULT;
1079 datap = compat_ptr(data);
1080 if (put_user(datap, &cdread_audio->buf))
1081 return -EFAULT;
1082
1083 return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
1084}
1085
1086static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
1087{
1088 struct cdrom_generic_command __user *cgc;
1089 struct cdrom_generic_command32 __user *cgc32;
1090 u32 data;
1091 unsigned char dir;
1092 int itmp;
1093
1094 cgc = compat_alloc_user_space(sizeof(*cgc));
1095 cgc32 = compat_ptr(arg);
1096
1097 if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
1098 get_user(data, &cgc32->buffer) ||
1099 put_user(compat_ptr(data), &cgc->buffer) ||
1100 copy_in_user(&cgc->buflen, &cgc32->buflen,
1101 (sizeof(unsigned int) + sizeof(int))) ||
1102 get_user(data, &cgc32->sense) ||
1103 put_user(compat_ptr(data), &cgc->sense) ||
1104 get_user(dir, &cgc32->data_direction) ||
1105 put_user(dir, &cgc->data_direction) ||
1106 get_user(itmp, &cgc32->quiet) ||
1107 put_user(itmp, &cgc->quiet) ||
1108 get_user(itmp, &cgc32->timeout) ||
1109 put_user(itmp, &cgc->timeout) ||
1110 get_user(data, &cgc32->reserved[0]) ||
1111 put_user(compat_ptr(data), &cgc->reserved[0]))
1112 return -EFAULT;
1113
1114 return sys_ioctl(fd, cmd, (unsigned long) cgc);
1115}
1116
1117static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1118{
1119 int err;
1120
1121 switch(cmd) {
1122 case CDROMREADAUDIO:
1123 err = cdrom_do_read_audio(fd, cmd, arg);
1124 break;
1125
1126 case CDROM_SEND_PACKET:
1127 err = cdrom_do_generic_command(fd, cmd, arg);
1128 break;
1129
1130 default:
1131 do {
1132 static int count;
1133 if (++count <= 20)
1134 printk("cdrom_ioctl: Unknown cmd fd(%d) "
1135 "cmd(%08x) arg(%08x)\n",
1136 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1137 } while(0);
1138 err = -EINVAL;
1139 break;
1140 };
1141
1142 return err;
1143}
1144#endif /* CONFIG_BLOCK */ 1041#endif /* CONFIG_BLOCK */
1145 1042
1146#ifdef CONFIG_VT 1043#ifdef CONFIG_VT
@@ -3147,8 +3044,6 @@ HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
3147#ifdef CONFIG_BLOCK 3044#ifdef CONFIG_BLOCK
3148HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans) 3045HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
3149HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans) 3046HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
3150HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans)
3151HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans)
3152#endif 3047#endif
3153#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int) 3048#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
3154HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout) 3049HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)