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suppressed page_unprotect_range() - fixed access_ok()

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3641 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2007-11-14 10:51:00 +00:00
parent 9b0b82037a
commit dae3270c6e
4 changed files with 17 additions and 23 deletions
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2
linux-user/syscall.c
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@ -2773,7 +2773,6 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = 0; /* avoid warning */
break;
case TARGET_NR_read:
page_unprotect_range(arg2, arg3);
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
goto efault;
ret = get_errno(read(arg1, p, arg3));
@ -4537,7 +4536,6 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
#ifdef TARGET_NR_pread
case TARGET_NR_pread:
page_unprotect_range(arg2, arg3);
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
goto efault;
ret = get_errno(pread(arg1, p, arg3, arg4));