diff options
Diffstat (limited to 'arch/x86/math-emu')
-rw-r--r-- | arch/x86/math-emu/fpu_system.h | 4 | ||||
-rw-r--r-- | arch/x86/math-emu/load_store.c | 6 | ||||
-rw-r--r-- | arch/x86/math-emu/reg_ld_str.c | 48 |
3 files changed, 29 insertions, 29 deletions
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index c8b1b31ed7c4..f98a0c956764 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h @@ -104,7 +104,7 @@ static inline bool seg_writable(struct desc_struct *d) #define instruction_address (*(struct address *)&I387->soft.fip) #define operand_address (*(struct address *)&I387->soft.foo) -#define FPU_access_ok(x,y,z) if ( !access_ok(x,y,z) ) \ +#define FPU_access_ok(y,z) if ( !access_ok(y,z) ) \ math_abort(FPU_info,SIGSEGV) #define FPU_abort math_abort(FPU_info, SIGSEGV) @@ -119,7 +119,7 @@ static inline bool seg_writable(struct desc_struct *d) /* A simpler test than access_ok() can probably be done for FPU_code_access_ok() because the only possible error is to step past the upper boundary of a legal code area. */ -#define FPU_code_access_ok(z) FPU_access_ok(VERIFY_READ,(void __user *)FPU_EIP,z) +#define FPU_code_access_ok(z) FPU_access_ok((void __user *)FPU_EIP,z) #endif #define FPU_get_user(x,y) get_user((x),(y)) diff --git a/arch/x86/math-emu/load_store.c b/arch/x86/math-emu/load_store.c index f821a9cd7753..f15263e158e8 100644 --- a/arch/x86/math-emu/load_store.c +++ b/arch/x86/math-emu/load_store.c @@ -251,7 +251,7 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes, break; case 024: /* fldcw */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, data_address, 2); + FPU_access_ok(data_address, 2); FPU_get_user(control_word, (unsigned short __user *)data_address); RE_ENTRANT_CHECK_ON; @@ -291,7 +291,7 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes, break; case 034: /* fstcw m16int */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, data_address, 2); + FPU_access_ok(data_address, 2); FPU_put_user(control_word, (unsigned short __user *)data_address); RE_ENTRANT_CHECK_ON; @@ -305,7 +305,7 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes, break; case 036: /* fstsw m2byte */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, data_address, 2); + FPU_access_ok(data_address, 2); FPU_put_user(status_word(), (unsigned short __user *)data_address); RE_ENTRANT_CHECK_ON; diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c index d40ff45497b9..f3779743d15e 100644 --- a/arch/x86/math-emu/reg_ld_str.c +++ b/arch/x86/math-emu/reg_ld_str.c @@ -84,7 +84,7 @@ int FPU_load_extended(long double __user *s, int stnr) FPU_REG *sti_ptr = &st(stnr); RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, s, 10); + FPU_access_ok(s, 10); __copy_from_user(sti_ptr, s, 10); RE_ENTRANT_CHECK_ON; @@ -98,7 +98,7 @@ int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data) unsigned m64, l64; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, dfloat, 8); + FPU_access_ok(dfloat, 8); FPU_get_user(m64, 1 + (unsigned long __user *)dfloat); FPU_get_user(l64, (unsigned long __user *)dfloat); RE_ENTRANT_CHECK_ON; @@ -159,7 +159,7 @@ int FPU_load_single(float __user *single, FPU_REG *loaded_data) int exp, tag, negative; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, single, 4); + FPU_access_ok(single, 4); FPU_get_user(m32, (unsigned long __user *)single); RE_ENTRANT_CHECK_ON; @@ -214,7 +214,7 @@ int FPU_load_int64(long long __user *_s) FPU_REG *st0_ptr = &st(0); RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, _s, 8); + FPU_access_ok(_s, 8); if (copy_from_user(&s, _s, 8)) FPU_abort; RE_ENTRANT_CHECK_ON; @@ -243,7 +243,7 @@ int FPU_load_int32(long __user *_s, FPU_REG *loaded_data) int negative; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, _s, 4); + FPU_access_ok(_s, 4); FPU_get_user(s, _s); RE_ENTRANT_CHECK_ON; @@ -271,7 +271,7 @@ int FPU_load_int16(short __user *_s, FPU_REG *loaded_data) int s, negative; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, _s, 2); + FPU_access_ok(_s, 2); /* Cast as short to get the sign extended. */ FPU_get_user(s, _s); RE_ENTRANT_CHECK_ON; @@ -304,7 +304,7 @@ int FPU_load_bcd(u_char __user *s) int sign; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, s, 10); + FPU_access_ok(s, 10); RE_ENTRANT_CHECK_ON; for (pos = 8; pos >= 0; pos--) { l *= 10; @@ -345,7 +345,7 @@ int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag, if (st0_tag != TAG_Empty) { RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 10); + FPU_access_ok(d, 10); FPU_put_user(st0_ptr->sigl, (unsigned long __user *)d); FPU_put_user(st0_ptr->sigh, @@ -364,7 +364,7 @@ int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag, /* The masked response */ /* Put out the QNaN indefinite */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 10); + FPU_access_ok(d, 10); FPU_put_user(0, (unsigned long __user *)d); FPU_put_user(0xc0000000, 1 + (unsigned long __user *)d); FPU_put_user(0xffff, 4 + (short __user *)d); @@ -539,7 +539,7 @@ denormal_arg: /* The masked response */ /* Put out the QNaN indefinite */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, dfloat, 8); + FPU_access_ok(dfloat, 8); FPU_put_user(0, (unsigned long __user *)dfloat); FPU_put_user(0xfff80000, 1 + (unsigned long __user *)dfloat); @@ -552,7 +552,7 @@ denormal_arg: l[1] |= 0x80000000; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, dfloat, 8); + FPU_access_ok(dfloat, 8); FPU_put_user(l[0], (unsigned long __user *)dfloat); FPU_put_user(l[1], 1 + (unsigned long __user *)dfloat); RE_ENTRANT_CHECK_ON; @@ -724,7 +724,7 @@ int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, float __user *single) /* The masked response */ /* Put out the QNaN indefinite */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, single, 4); + FPU_access_ok(single, 4); FPU_put_user(0xffc00000, (unsigned long __user *)single); RE_ENTRANT_CHECK_ON; @@ -742,7 +742,7 @@ int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, float __user *single) templ |= 0x80000000; RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, single, 4); + FPU_access_ok(single, 4); FPU_put_user(templ, (unsigned long __user *)single); RE_ENTRANT_CHECK_ON; @@ -791,7 +791,7 @@ int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag, long long __user *d) } RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 8); + FPU_access_ok(d, 8); if (copy_to_user(d, &tll, 8)) FPU_abort; RE_ENTRANT_CHECK_ON; @@ -838,7 +838,7 @@ int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d) } RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 4); + FPU_access_ok(d, 4); FPU_put_user(t.sigl, (unsigned long __user *)d); RE_ENTRANT_CHECK_ON; @@ -884,7 +884,7 @@ int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d) } RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 2); + FPU_access_ok(d, 2); FPU_put_user((short)t.sigl, d); RE_ENTRANT_CHECK_ON; @@ -925,7 +925,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d) if (control_word & CW_Invalid) { /* Produce the QNaN "indefinite" */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 10); + FPU_access_ok(d, 10); for (i = 0; i < 7; i++) FPU_put_user(0, d + i); /* These bytes "undefined" */ FPU_put_user(0xc0, d + 7); /* This byte "undefined" */ @@ -941,7 +941,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d) } RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 10); + FPU_access_ok(d, 10); RE_ENTRANT_CHECK_ON; for (i = 0; i < 9; i++) { b = FPU_div_small(&ll, 10); @@ -1034,7 +1034,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s) ((addr_modes.default_mode == PM16) ^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) { RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, s, 0x0e); + FPU_access_ok(s, 0x0e); FPU_get_user(control_word, (unsigned short __user *)s); FPU_get_user(partial_status, (unsigned short __user *)(s + 2)); FPU_get_user(tag_word, (unsigned short __user *)(s + 4)); @@ -1056,7 +1056,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s) } } else { RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, s, 0x1c); + FPU_access_ok(s, 0x1c); FPU_get_user(control_word, (unsigned short __user *)s); FPU_get_user(partial_status, (unsigned short __user *)(s + 4)); FPU_get_user(tag_word, (unsigned short __user *)(s + 8)); @@ -1125,7 +1125,7 @@ void frstor(fpu_addr_modes addr_modes, u_char __user *data_address) /* Copy all registers in stack order. */ RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_READ, s, 80); + FPU_access_ok(s, 80); __copy_from_user(register_base + offset, s, other); if (offset) __copy_from_user(register_base, s + other, offset); @@ -1146,7 +1146,7 @@ u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d) ((addr_modes.default_mode == PM16) ^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) { RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 14); + FPU_access_ok(d, 14); #ifdef PECULIAR_486 FPU_put_user(control_word & ~0xe080, (unsigned long __user *)d); #else @@ -1174,7 +1174,7 @@ u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d) d += 0x0e; } else { RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 7 * 4); + FPU_access_ok(d, 7 * 4); #ifdef PECULIAR_486 control_word &= ~0xe080; /* An 80486 sets nearly all of the reserved bits to 1. */ @@ -1204,7 +1204,7 @@ void fsave(fpu_addr_modes addr_modes, u_char __user *data_address) d = fstenv(addr_modes, data_address); RE_ENTRANT_CHECK_OFF; - FPU_access_ok(VERIFY_WRITE, d, 80); + FPU_access_ok(d, 80); /* Copy all registers in stack order. */ if (__copy_to_user(d, register_base + offset, other)) |