xnu-1699.22.73.tar.gz

[apple/xnu.git] / osfmk / i386 / user_ldt.c

diff --git a/osfmk/i386/user_ldt.c b/osfmk/i386/user_ldt.c
index 45f51361f95fdfc9021c213d5e75b89d11e66375..8b57914558b3924c89ef073b3a9ccf1ff4147c7e 100644 (file)
--- a/osfmk/i386/user_ldt.c
+++ b/osfmk/i386/user_ldt.c
@@ -237,7 +237,7 @@ i386_set_ldt(
                    case 0:
                    case ACC_P:
                        /* valid empty descriptor, clear Present preemptively */
-                       dp->access &= ~ACC_P;
+                       dp->access &= (~ACC_P & 0xff);
                        break;
                    case ACC_P | ACC_PL_U | ACC_DATA:
                    case ACC_P | ACC_PL_U | ACC_DATA_W:
@@ -389,7 +389,7 @@ user_ldt_set(
            bcopy(user_ldt->ldt, &ldtp[user_ldt->start],
                  sizeof(struct real_descriptor) * (user_ldt->count));
 
-           gdt_desc_p(USER_LDT)->limit_low = (sizeof(struct real_descriptor) * (user_ldt->start + user_ldt->count)) - 1;
+           gdt_desc_p(USER_LDT)->limit_low = (uint16_t)((sizeof(struct real_descriptor) * (user_ldt->start + user_ldt->count)) - 1);
 
            ml_cpu_set_ldt(USER_LDT);
        } else {