[PATCH] i386: fix 32-bit ioctls on x64_32

[MTRR] fix 32-bit ioctls on x64_32

Signed-off-by: Giuliano Procida <giuliano.procida@googlemail.com>
Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/i386/kernel/cpu/mtrr/if.c b/arch/i386/kernel/cpu/mtrr/if.c
index ee771f305f96..c7d8f1756745 100644
--- a/arch/i386/kernel/cpu/mtrr/if.c
+++ b/arch/i386/kernel/cpu/mtrr/if.c
@@ -211,6 +211,9 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
         default:
                 return -ENOTTY;
         case MTRRIOC_ADD_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_ADD_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err =
@@ -218,21 +221,33 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
                                   file, 0);
                 break;
         case MTRRIOC_SET_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_SET_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_add(sentry.base, sentry.size, sentry.type, 0);
                 break;
         case MTRRIOC_DEL_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_DEL_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_file_del(sentry.base, sentry.size, file, 0);
                 break;
         case MTRRIOC_KILL_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_KILL_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_del(-1, sentry.base, sentry.size);
                 break;
         case MTRRIOC_GET_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_GET_ENTRY:
+#endif
                 if (gentry.regnum >= num_var_ranges)
                         return -EINVAL;
                 mtrr_if->get(gentry.regnum, &gentry.base, &size, &type);
@@ -249,6 +264,9 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
 
                 break;
         case MTRRIOC_ADD_PAGE_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_ADD_PAGE_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err =
@@ -256,21 +274,33 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
                                   file, 1);
                 break;
         case MTRRIOC_SET_PAGE_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_SET_PAGE_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_add_page(sentry.base, sentry.size, sentry.type, 0);
                 break;
         case MTRRIOC_DEL_PAGE_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_DEL_PAGE_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_file_del(sentry.base, sentry.size, file, 1);
                 break;
         case MTRRIOC_KILL_PAGE_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_KILL_PAGE_ENTRY:
+#endif
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
                 err = mtrr_del_page(-1, sentry.base, sentry.size);
                 break;
         case MTRRIOC_GET_PAGE_ENTRY:
+#ifdef CONFIG_COMPAT
+        case MTRRIOC32_GET_PAGE_ENTRY:
+#endif
                 if (gentry.regnum >= num_var_ranges)
                         return -EINVAL;
                 mtrr_if->get(gentry.regnum, &gentry.base, &size, &type);