X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=fs%2Fcompat_ioctl.c;h=c666769a875d2fc0e80927caf6db038b036bc42b;hb=52aef8183fbedb0232b20127b089e85e7aa095e3;hp=f51696358a21b34efd65ca324fd418f72a6a2210;hpb=16f7e0fe2ecc30f30652e8185e1772cdebe39109;p=linux-2.6-omap-h63xx.git

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f51696358a2..c666769a875 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -122,6 +122,7 @@
 #include <linux/dvb/dmx.h>
 #include <linux/dvb/frontend.h>
 #include <linux/dvb/video.h>
+#include <linux/lp.h>
 
 /* Aiee. Someone does not find a difference between int and long */
 #define EXT2_IOC32_GETFLAGS               _IOR('f', 1, int)
@@ -445,7 +446,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 	ifr = ifc.ifc_req;
 	ifr32 = compat_ptr(ifc32.ifcbuf);
 	for (i = 0, j = 0;
-             i + sizeof (struct ifreq32) < ifc32.ifc_len && j < ifc.ifc_len;
+             i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
 	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
 		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
 			return -EFAULT;
@@ -916,6 +917,40 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
+struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
+	char req_state;
+	char orphan;
+	char sg_io_owned;
+	char problem;
+	int pack_id;
+	compat_uptr_t usr_ptr;
+	unsigned int duration;
+	int unused;
+};
+
+static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	int err, i;
+	sg_req_info_t __user *r;
+	struct compat_sg_req_info __user *o = (void __user *)arg;
+	r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
+	err = sys_ioctl(fd,cmd,(unsigned long)r);
+	if (err < 0)
+		return err;
+	for (i = 0; i < SG_MAX_QUEUE; i++) {
+		void __user *ptr;
+		int d;
+
+		if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
+		    get_user(ptr, &r[i].usr_ptr) ||
+		    get_user(d, &r[i].duration) ||
+		    put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
+		    put_user(d, &o[i].duration))
+			return -EFAULT;
+	}
+	return err;
+}
+
 struct sock_fprog32 {
 	unsigned short	len;
 	compat_caddr_t	filter;
@@ -2496,18 +2531,9 @@ static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
 		val32 = kval;
 		return put_user(val32, (unsigned int __user *)arg);
 	case RTC_IRQP_SET32:
+		return sys_ioctl(fd, RTC_IRQP_SET, arg); 
 	case RTC_EPOCH_SET32:
-		ret = get_user(val32, (unsigned int __user *)arg);
-		if (ret)
-			return ret;
-		kval = val32;
-
-		set_fs(KERNEL_DS);
-		ret = sys_ioctl(fd, (cmd == RTC_IRQP_SET32) ?
-				RTC_IRQP_SET : RTC_EPOCH_SET,
-				(unsigned long)&kval);
-		set_fs(oldfs);
-		return ret;
+		return sys_ioctl(fd, RTC_EPOCH_SET, arg);
 	default:
 		/* unreached */
 		return -ENOIOCTLCMD;
@@ -2701,6 +2727,20 @@ static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned lon
 }
 #endif
 
+static int
+lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct compat_timeval __user *tc = (struct compat_timeval __user *)arg;
+	struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval));
+	struct timeval ts;
+	if (get_user(ts.tv_sec, &tc->tv_sec) ||
+	    get_user(ts.tv_usec, &tc->tv_usec) ||
+	    put_user(ts.tv_sec, &tn->tv_sec) ||
+	    put_user(ts.tv_usec, &tn->tv_usec))
+		return -EFAULT;
+	return sys_ioctl(fd, cmd, (unsigned long)tn);
+}
+
 #define HANDLE_IOCTL(cmd,handler) \
 	{ (cmd), (ioctl_trans_handler_t)(handler) },
 
@@ -2794,6 +2834,7 @@ HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans)
 HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans)
 HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
+HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
 HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
@@ -2927,6 +2968,20 @@ HANDLE_IOCTL(DMX_GET_EVENT, do_dmx_get_event)
 HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
 HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
 HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
+
+/* parport */
+COMPATIBLE_IOCTL(LPTIME)
+COMPATIBLE_IOCTL(LPCHAR)
+COMPATIBLE_IOCTL(LPABORTOPEN)
+COMPATIBLE_IOCTL(LPCAREFUL)
+COMPATIBLE_IOCTL(LPWAIT)
+COMPATIBLE_IOCTL(LPSETIRQ)
+COMPATIBLE_IOCTL(LPGETSTATUS)
+COMPATIBLE_IOCTL(LPGETSTATUS)
+COMPATIBLE_IOCTL(LPRESET)
+/*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
+COMPATIBLE_IOCTL(LPGETFLAGS)
+HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
 };
 
 int ioctl_table_size = ARRAY_SIZE(ioctl_start);