From 81029b1f775ad55caeaa8f7f260273969a4a282e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 3 Sep 2016 18:05:00 -0400 Subject: [PATCH] mn10300: finish verify_area() off Signed-off-by: Al Viro --- arch/mn10300/include/asm/uaccess.h | 6 ------ arch/mn10300/kernel/signal.c | 6 +++--- 2 files changed, 3 insertions(+), 9 deletions(-) diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index d012e87..bd285e5 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -72,12 +72,6 @@ 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 dfd0301..cd8cb1d 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; -- 2.7.4