From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- .../arch/powerpc/lib/checksum_wrappers_64.c | 102 --------------------- 1 file changed, 102 deletions(-) delete mode 100644 ANDROID_3.4.5/arch/powerpc/lib/checksum_wrappers_64.c (limited to 'ANDROID_3.4.5/arch/powerpc/lib/checksum_wrappers_64.c') diff --git a/ANDROID_3.4.5/arch/powerpc/lib/checksum_wrappers_64.c b/ANDROID_3.4.5/arch/powerpc/lib/checksum_wrappers_64.c deleted file mode 100644 index 08e3a335..00000000 --- a/ANDROID_3.4.5/arch/powerpc/lib/checksum_wrappers_64.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2010 - * - * Author: Anton Blanchard - */ -#include -#include -#include -#include -#include - -__wsum csum_and_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) -{ - unsigned int csum; - - might_sleep(); - - *err_ptr = 0; - - if (!len) { - csum = 0; - goto out; - } - - if (unlikely((len < 0) || !access_ok(VERIFY_READ, src, len))) { - *err_ptr = -EFAULT; - csum = (__force unsigned int)sum; - goto out; - } - - csum = csum_partial_copy_generic((void __force *)src, dst, - len, sum, err_ptr, NULL); - - if (unlikely(*err_ptr)) { - int missing = __copy_from_user(dst, src, len); - - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } else { - *err_ptr = 0; - } - - csum = csum_partial(dst, len, sum); - } - -out: - return (__force __wsum)csum; -} -EXPORT_SYMBOL(csum_and_copy_from_user); - -__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, - __wsum sum, int *err_ptr) -{ - unsigned int csum; - - might_sleep(); - - *err_ptr = 0; - - if (!len) { - csum = 0; - goto out; - } - - if (unlikely((len < 0) || !access_ok(VERIFY_WRITE, dst, len))) { - *err_ptr = -EFAULT; - csum = -1; /* invalid checksum */ - goto out; - } - - csum = csum_partial_copy_generic(src, (void __force *)dst, - len, sum, NULL, err_ptr); - - if (unlikely(*err_ptr)) { - csum = csum_partial(src, len, sum); - - if (copy_to_user(dst, src, len)) { - *err_ptr = -EFAULT; - csum = -1; /* invalid checksum */ - } - } - -out: - return (__force __wsum)csum; -} -EXPORT_SYMBOL(csum_and_copy_to_user); -- cgit