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authorAl Viro <viro@zeniv.linux.org.uk>2016-09-03 18:05:00 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-09-27 21:15:20 -0400
commit81029b1f775ad55caeaa8f7f260273969a4a282e (patch)
tree8f70e9f9cc5c441387a2a9586df73c1f579f9d9e /arch/mn10300
parent08435d89dd5890c3e72dbdc0f47e7b06f0012447 (diff)
downloadblackbird-op-linux-81029b1f775ad55caeaa8f7f260273969a4a282e.tar.gz
blackbird-op-linux-81029b1f775ad55caeaa8f7f260273969a4a282e.zip
mn10300: finish verify_area() off
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mn10300')
-rw-r--r--arch/mn10300/include/asm/uaccess.h6
-rw-r--r--arch/mn10300/kernel/signal.c6
2 files changed, 3 insertions, 9 deletions
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index d012e877a95a..bd285e5fd93a 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 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;
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