diff options
Diffstat (limited to 'arch/mn10300')
-rw-r--r-- | arch/mn10300/include/asm/processor.h | 1 | ||||
-rw-r--r-- | arch/mn10300/include/asm/uaccess.h | 7 | ||||
-rw-r--r-- | arch/mn10300/kernel/signal.c | 6 |
3 files changed, 3 insertions, 11 deletions
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h index 769d5ed8e992..b10ba121c849 100644 --- a/arch/mn10300/include/asm/processor.h +++ b/arch/mn10300/include/asm/processor.h @@ -18,7 +18,6 @@ #include <asm/page.h> #include <asm/ptrace.h> #include <asm/cpu-regs.h> -#include <asm/uaccess.h> #include <asm/current.h> /* Forward declaration, a strange C thing */ diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index d012e877a95a..2eedf6f46a57 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -38,7 +38,6 @@ #define get_ds() (KERNEL_DS) #define get_fs() (current_thread_info()->addr_limit) #define set_fs(x) (current_thread_info()->addr_limit = (x)) -#define __kernel_ds_p() (current_thread_info()->addr_limit.seg == 0x9FFFFFFF) #define segment_eq(a, b) ((a).seg == (b).seg) @@ -72,12 +71,6 @@ static inline int ___range_ok(unsigned long addr, unsigned int size) #define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0) #define __access_ok(addr, size) (__range_ok((addr), (size)) == 0) -static inline int verify_area(int type, const void *addr, unsigned long size) -{ - return access_ok(type, addr, size) ? 0 : -EFAULT; -} - - /* * The exception table consists of pairs of addresses: the first is the * address of an instruction that is allowed to fault, and the second is diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index dfd0301cf200..cd8cb1d1176b 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -75,7 +75,7 @@ static int restore_sigcontext(struct pt_regs *regs, struct fpucontext *buf; err |= __get_user(buf, &sc->fpucontext); if (buf) { - if (verify_area(VERIFY_READ, buf, sizeof(*buf))) + if (!access_ok(VERIFY_READ, buf, sizeof(*buf))) goto badframe; err |= fpu_restore_sigcontext(buf); } @@ -98,7 +98,7 @@ asmlinkage long sys_sigreturn(void) long d0; frame = (struct sigframe __user *) current_frame()->sp; - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; if (__get_user(set.sig[0], &frame->sc.oldmask)) goto badframe; @@ -130,7 +130,7 @@ asmlinkage long sys_rt_sigreturn(void) long d0; frame = (struct rt_sigframe __user *) current_frame()->sp; - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; |