X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fcompat_ioctl.c;h=43a2508ac69670d972516a0f5d2ad96f8e7bfa02;hb=35f349ee082de0be45eb23926d9fc7569f5011f0;hp=f07e60f9e1024644166653ca2da431b31f61cbaf;hpb=d0fa7e9f8ebeb19db4d2aed33c35f9d16fa7f32d;p=mv-sheeva.git

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f07e60f9e10..43a2508ac69 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -49,6 +49,8 @@
 #include <linux/vt_kern.h>
 #include <linux/fb.h>
 #include <linux/ext2_fs.h>
+#include <linux/ext3_jbd.h>
+#include <linux/ext3_fs.h>
 #include <linux/videodev.h>
 #include <linux/netdevice.h>
 #include <linux/raw.h>
@@ -134,6 +136,15 @@
 /* Aiee. Someone does not find a difference between int and long */
 #define EXT2_IOC32_GETFLAGS               _IOR('f', 1, int)
 #define EXT2_IOC32_SETFLAGS               _IOW('f', 2, int)
+#define EXT3_IOC32_GETVERSION             _IOR('f', 3, int)
+#define EXT3_IOC32_SETVERSION             _IOW('f', 4, int)
+#define EXT3_IOC32_GETRSVSZ               _IOR('f', 5, int)
+#define EXT3_IOC32_SETRSVSZ               _IOW('f', 6, int)
+#define EXT3_IOC32_GROUP_EXTEND           _IOW('f', 7, unsigned int)
+#ifdef CONFIG_JBD_DEBUG
+#define EXT3_IOC32_WAIT_FOR_READONLY      _IOR('f', 99, int)
+#endif
+
 #define EXT2_IOC32_GETVERSION             _IOR('v', 1, int)
 #define EXT2_IOC32_SETVERSION             _IOW('v', 2, int)
 
@@ -180,6 +191,22 @@ static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
 }
 
+static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	/* These are just misnamed, they actually get/put from/to user an int */
+	switch (cmd) {
+	case EXT3_IOC32_GETVERSION: cmd = EXT3_IOC_GETVERSION; break;
+	case EXT3_IOC32_SETVERSION: cmd = EXT3_IOC_SETVERSION; break;
+	case EXT3_IOC32_GETRSVSZ: cmd = EXT3_IOC_GETRSVSZ; break;
+	case EXT3_IOC32_SETRSVSZ: cmd = EXT3_IOC_SETRSVSZ; break;
+	case EXT3_IOC32_GROUP_EXTEND: cmd = EXT3_IOC_GROUP_EXTEND; break;
+#ifdef CONFIG_JBD_DEBUG
+	case EXT3_IOC32_WAIT_FOR_READONLY: cmd = EXT3_IOC_WAIT_FOR_READONLY; break;
+#endif
+	}
+	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
+}
+
 struct video_tuner32 {
 	compat_int_t tuner;
 	char name[32];
@@ -659,7 +686,8 @@ 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 < ifc32.ifc_len && j < ifc.ifc_len;
+	for (i = 0, j = 0;
+             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;
@@ -675,10 +703,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
 		ifc32.ifc_len = i;
 	} else {
-		if (i <= ifc32.ifc_len)
-			ifc32.ifc_len = i;
-		else
-			ifc32.ifc_len = i - sizeof (struct ifreq32);
+		ifc32.ifc_len = i;
 	}
 	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
 		return -EFAULT;
@@ -2981,6 +3006,15 @@ HANDLE_IOCTL(EXT2_IOC32_GETFLAGS, do_ext2_ioctl)
 HANDLE_IOCTL(EXT2_IOC32_SETFLAGS, do_ext2_ioctl)
 HANDLE_IOCTL(EXT2_IOC32_GETVERSION, do_ext2_ioctl)
 HANDLE_IOCTL(EXT2_IOC32_SETVERSION, do_ext2_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GETVERSION, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_SETVERSION, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GETRSVSZ, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_SETRSVSZ, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GROUP_EXTEND, do_ext3_ioctl)
+COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD)
+#ifdef CONFIG_JBD_DEBUG
+HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl)
+#endif
 HANDLE_IOCTL(VIDIOCGTUNER32, do_video_ioctl)
 HANDLE_IOCTL(VIDIOCSTUNER32, do_video_ioctl)
 HANDLE_IOCTL(VIDIOCGWIN32, do_video_ioctl)