diff options
Diffstat (limited to 'arch/arm/include/asm/checksum.h')
| -rw-r--r-- | arch/arm/include/asm/checksum.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h index 7612b2bd4e9b..1601c132b064 100644 --- a/arch/arm/include/asm/checksum.h +++ b/arch/arm/include/asm/checksum.h @@ -43,16 +43,15 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum s #define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER #define _HAVE_ARCH_CSUM_AND_COPY static inline -__wsum csum_and_copy_from_user (const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) +__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len) { - if (access_ok(src, len)) - return csum_partial_copy_from_user(src, dst, len, sum, err_ptr); + int err = 0; - if (len) - *err_ptr = -EFAULT; + if (!access_ok(src, len)) + return 0; - return sum; + sum = csum_partial_copy_from_user(src, dst, len, ~0U, &err); + return err ? 0 : sum; } /* |