7 files changed, 19 insertions, 24 deletions
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index ca43f4d0b937..5adca78830b5 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -391,9 +391,9 @@ static inline unsigned long __fls(unsigned long x)
 	return fls64(x) - 1;
 }
 
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
-	return fls64((unsigned int) x);
+	return fls64(x);
 }
 
 /*
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index ca3322536f72..bfd3c01038f8 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -68,7 +68,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 	int ret = 0, cmp;
 	u32 prev;
 
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+	if (!access_ok(uaddr, sizeof(u32)))
 		return -EFAULT;
 
 	__asm__ __volatile__ (
diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
index ab3e3a8638fb..02f9f91bb4f0 100644
--- a/arch/alpha/include/asm/pgalloc.h
+++ b/arch/alpha/include/asm/pgalloc.h
@@ -52,7 +52,7 @@ pmd_free(struct mm_struct *mm, pmd_t *pmd)
 }
 
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
 	return pte;
@@ -65,9 +65,9 @@ pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pte_alloc_one(struct mm_struct *mm)
 {
-	pte_t *pte = pte_alloc_one_kernel(mm, address);
+	pte_t *pte = pte_alloc_one_kernel(mm);
 	struct page *page;
 
 	if (!pte)
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index 87d8c4f0307d..cf4ac791a592 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -30,13 +30,15 @@
  * Address valid if:
  *  - "addr" doesn't have any high-bits set
  *  - AND "size" doesn't have any high-bits set
- *  - AND "addr+size" doesn't have any high-bits set
+ *  - AND "addr+size-(size != 0)" doesn't have any high-bits set
  *  - OR we are in kernel mode.
  */
-#define __access_ok(addr, size) \
-	((get_fs().seg & (addr | size | (addr+size))) == 0)
+#define __access_ok(addr, size) ({				\
+	unsigned long __ao_a = (addr), __ao_b = (size);		\
+	unsigned long __ao_end = __ao_a + __ao_b - !!__ao_b;	\
+	(get_fs().seg & (__ao_a | __ao_b | __ao_end)) == 0; })
 
-#define access_ok(type, addr, size)			\
+#define access_ok(addr, size)				\
 ({							\
 	__chk_user_ptr(addr);				\
 	__access_ok(((unsigned long)(addr)), (size));	\
diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild
index 6a3a0ce0c61b..439f5157aa35 100644
--- a/arch/alpha/include/uapi/asm/Kbuild
+++ b/arch/alpha/include/uapi/asm/Kbuild
@@ -1,10 +1,3 @@
-# UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
 generated-y += unistd_32.h
-generic-y += bpf_perf_event.h
-generic-y += ipcbuf.h
-generic-y += msgbuf.h
-generic-y += poll.h
-generic-y += sembuf.h
-generic-y += shmbuf.h
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 8c0c4ee0be6e..33e904a05881 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -65,7 +65,7 @@ SYSCALL_DEFINE3(osf_sigaction, int, sig,
 
 	if (act) {
 		old_sigset_t mask;
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
+		if (!access_ok(act, sizeof(*act)) ||
 		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
 		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
 		    __get_user(mask, &act->sa_mask))
@@ -77,7 +77,7 @@ SYSCALL_DEFINE3(osf_sigaction, int, sig,
 	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
 
 	if (!ret && oact) {
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
+		if (!access_ok(oact, sizeof(*oact)) ||
 		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
 		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
 		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
@@ -207,7 +207,7 @@ do_sigreturn(struct sigcontext __user *sc)
 	sigset_t set;
 
 	/* Verify that it's a good sigcontext before using it */
-	if (!access_ok(VERIFY_READ, sc, sizeof(*sc)))
+	if (!access_ok(sc, sizeof(*sc)))
 		goto give_sigsegv;
 	if (__get_user(set.sig[0], &sc->sc_mask))
 		goto give_sigsegv;
@@ -235,7 +235,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame)
 	sigset_t set;
 
 	/* Verify that it's a good ucontext_t before using it */
-	if (!access_ok(VERIFY_READ, &frame->uc, sizeof(frame->uc)))
+	if (!access_ok(&frame->uc, sizeof(frame->uc)))
 		goto give_sigsegv;
 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
 		goto give_sigsegv;
@@ -332,7 +332,7 @@ setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
 
 	oldsp = rdusp();
 	frame = get_sigframe(ksig, oldsp, sizeof(*frame));
-	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+	if (!access_ok(frame, sizeof(*frame)))
 		return -EFAULT;
 
 	err |= setup_sigcontext(&frame->sc, regs, set->sig[0], oldsp);
@@ -377,7 +377,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
 
 	oldsp = rdusp();
 	frame = get_sigframe(ksig, oldsp, sizeof(*frame));
-	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+	if (!access_ok(frame, sizeof(*frame)))
 		return -EFAULT;
 
 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);
diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index ddb9c2f376fa..e53f96e8aa6d 100644
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -333,7 +333,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
 	unsigned long doff = 7 & (unsigned long) dst;
 
 	if (len) {
-		if (!access_ok(VERIFY_READ, src, len)) {
+		if (!access_ok(src, len)) {
 			if (errp) *errp = -EFAULT;
 			memset(dst, 0, len);
 			return sum;