Merge git://git.infradead.org/users/dwmw2/random-2.6

* git://git.infradead.org/users/dwmw2/random-2.6:
  [MTD] mtdchar.c: Fix regression in MEMGETREGIONINFO ioctl()
  dabusb_fpga_download(): fix a memory leak
  Remove '#include <stddef.h>' from mm/page_isolation.c
  Fix modules_install on RO nfs-exported trees.

2 files changed, 11 insertions, 6 deletions

diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index 48f4b92a8f8b..79faedf58521 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -403,6 +403,7 @@ static int dabusb_fpga_download (pdabusb_t s, const char *fname)
         ret = request_firmware(&fw, "dabusb/bitstream.bin", &s->usbdev->dev);
         if (ret) {
                 err("Failed to load \"dabusb/bitstream.bin\": %d\n", ret);
+                kfree(b);
                 return ret;
         }
 
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index d2f331876e4c..e00d424e6575 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -410,16 +410,20 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 
         case MEMGETREGIONINFO:
         {
-                struct region_info_user ur;
+                uint32_t ur_idx;
+                struct mtd_erase_region_info *kr;
+                struct region_info_user *ur = (struct region_info_user *) argp;
 
-                if (copy_from_user(&ur, argp, sizeof(struct region_info_user)))
+                if (get_user(ur_idx, &(ur->regionindex)))
                         return -EFAULT;
 
-                if (ur.regionindex >= mtd->numeraseregions)
-                        return -EINVAL;
-                if (copy_to_user(argp, &(mtd->eraseregions[ur.regionindex]),
-                                sizeof(struct mtd_erase_region_info)))
+                kr = &(mtd->eraseregions[ur_idx]);
+
+                if (put_user(kr->offset, &(ur->offset))
+                    || put_user(kr->erasesize, &(ur->erasesize))
+                    || put_user(kr->numblocks, &(ur->numblocks)))
                         return -EFAULT;
+
                 break;
         }