diff options
Diffstat (limited to 'arch/i386/lib/usercopy.c')
-rw-r--r-- | arch/i386/lib/usercopy.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/i386/lib/usercopy.c b/arch/i386/lib/usercopy.c index 086b3726862..9f38b12b4af 100644 --- a/arch/i386/lib/usercopy.c +++ b/arch/i386/lib/usercopy.c | |||
@@ -716,7 +716,6 @@ do { \ | |||
716 | unsigned long __copy_to_user_ll(void __user *to, const void *from, | 716 | unsigned long __copy_to_user_ll(void __user *to, const void *from, |
717 | unsigned long n) | 717 | unsigned long n) |
718 | { | 718 | { |
719 | BUG_ON((long) n < 0); | ||
720 | #ifndef CONFIG_X86_WP_WORKS_OK | 719 | #ifndef CONFIG_X86_WP_WORKS_OK |
721 | if (unlikely(boot_cpu_data.wp_works_ok == 0) && | 720 | if (unlikely(boot_cpu_data.wp_works_ok == 0) && |
722 | ((unsigned long )to) < TASK_SIZE) { | 721 | ((unsigned long )to) < TASK_SIZE) { |
@@ -785,7 +784,6 @@ EXPORT_SYMBOL(__copy_to_user_ll); | |||
785 | unsigned long __copy_from_user_ll(void *to, const void __user *from, | 784 | unsigned long __copy_from_user_ll(void *to, const void __user *from, |
786 | unsigned long n) | 785 | unsigned long n) |
787 | { | 786 | { |
788 | BUG_ON((long)n < 0); | ||
789 | if (movsl_is_ok(to, from, n)) | 787 | if (movsl_is_ok(to, from, n)) |
790 | __copy_user_zeroing(to, from, n); | 788 | __copy_user_zeroing(to, from, n); |
791 | else | 789 | else |
@@ -797,7 +795,6 @@ EXPORT_SYMBOL(__copy_from_user_ll); | |||
797 | unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from, | 795 | unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from, |
798 | unsigned long n) | 796 | unsigned long n) |
799 | { | 797 | { |
800 | BUG_ON((long)n < 0); | ||
801 | if (movsl_is_ok(to, from, n)) | 798 | if (movsl_is_ok(to, from, n)) |
802 | __copy_user(to, from, n); | 799 | __copy_user(to, from, n); |
803 | else | 800 | else |
@@ -810,7 +807,6 @@ EXPORT_SYMBOL(__copy_from_user_ll_nozero); | |||
810 | unsigned long __copy_from_user_ll_nocache(void *to, const void __user *from, | 807 | unsigned long __copy_from_user_ll_nocache(void *to, const void __user *from, |
811 | unsigned long n) | 808 | unsigned long n) |
812 | { | 809 | { |
813 | BUG_ON((long)n < 0); | ||
814 | #ifdef CONFIG_X86_INTEL_USERCOPY | 810 | #ifdef CONFIG_X86_INTEL_USERCOPY |
815 | if ( n > 64 && cpu_has_xmm2) | 811 | if ( n > 64 && cpu_has_xmm2) |
816 | n = __copy_user_zeroing_intel_nocache(to, from, n); | 812 | n = __copy_user_zeroing_intel_nocache(to, from, n); |
@@ -825,7 +821,6 @@ unsigned long __copy_from_user_ll_nocache(void *to, const void __user *from, | |||
825 | unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *from, | 821 | unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *from, |
826 | unsigned long n) | 822 | unsigned long n) |
827 | { | 823 | { |
828 | BUG_ON((long)n < 0); | ||
829 | #ifdef CONFIG_X86_INTEL_USERCOPY | 824 | #ifdef CONFIG_X86_INTEL_USERCOPY |
830 | if ( n > 64 && cpu_has_xmm2) | 825 | if ( n > 64 && cpu_has_xmm2) |
831 | n = __copy_user_intel_nocache(to, from, n); | 826 | n = __copy_user_intel_nocache(to, from, n); |
@@ -853,7 +848,6 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr | |||
853 | unsigned long | 848 | unsigned long |
854 | copy_to_user(void __user *to, const void *from, unsigned long n) | 849 | copy_to_user(void __user *to, const void *from, unsigned long n) |
855 | { | 850 | { |
856 | BUG_ON((long) n < 0); | ||
857 | if (access_ok(VERIFY_WRITE, to, n)) | 851 | if (access_ok(VERIFY_WRITE, to, n)) |
858 | n = __copy_to_user(to, from, n); | 852 | n = __copy_to_user(to, from, n); |
859 | return n; | 853 | return n; |
@@ -879,7 +873,6 @@ EXPORT_SYMBOL(copy_to_user); | |||
879 | unsigned long | 873 | unsigned long |
880 | copy_from_user(void *to, const void __user *from, unsigned long n) | 874 | copy_from_user(void *to, const void __user *from, unsigned long n) |
881 | { | 875 | { |
882 | BUG_ON((long) n < 0); | ||
883 | if (access_ok(VERIFY_READ, from, n)) | 876 | if (access_ok(VERIFY_READ, from, n)) |
884 | n = __copy_from_user(to, from, n); | 877 | n = __copy_from_user(to, from, n); |
885 | else | 878 | else |