1 files changed, 18 insertions, 8 deletions

diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 1d62dfef77f1..ce3e851dffcb 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -43,6 +43,10 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+static void
+handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
+                sigset_t *oldset, struct pt_regs * regs);
+
 /*
  * Note that 'init' is a special process: it doesn't get signals it doesn't
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
@@ -371,6 +375,9 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3,
         sigset_t set;
         long long ret;
 
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
 
@@ -408,6 +415,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
         stack_t __user st;
         long long ret;
 
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
 
@@ -535,7 +545,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
                  * On SH5 all edited pointers are subject to NEFF
                  */
                 DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-                                (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+                        (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
         } else {
                 /*
                  * Different approach on SH5.
@@ -550,10 +560,10 @@ static void setup_frame(int sig, struct k_sigaction *ka,
                  */
                 DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
                 DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-                                (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+                        (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
                 if (__copy_to_user(frame->retcode,
-                        (unsigned long long)sa_default_restorer & (~1), 16) != 0)
+                        (void *)((unsigned long)sa_default_restorer & (~1)), 16) != 0)
                         goto give_sigsegv;
 
                 /* Cohere the trampoline with the I-cache. */
@@ -566,7 +576,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
          */
         regs->regs[REG_SP] = (unsigned long) frame;
         regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
-                         (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+                 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
         regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
 
         /* FIXME:
@@ -652,7 +662,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                  * On SH5 all edited pointers are subject to NEFF
                  */
                 DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-                                (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+                        (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
         } else {
                 /*
                  * Different approach on SH5.
@@ -668,10 +678,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
                 DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
                 DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-                                (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+                        (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
                 if (__copy_to_user(frame->retcode,
-                        (unsigned long long)sa_default_rt_restorer & (~1), 16) != 0)
+                        (void *)((unsigned long)sa_default_rt_restorer & (~1)), 16) != 0)
                         goto give_sigsegv;
 
                 flush_icache_range(DEREF_REG_PR-1, DEREF_REG_PR-1+15);
@@ -683,7 +693,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
          */
         regs->regs[REG_SP] = (unsigned long) frame;
         regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
-                         (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+                 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
         regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
         regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->info;
         regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->uc.uc_mcontext;