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-rw-r--r--arch/sh/kernel/signal.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index eb0191c..b32c35a 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -23,7 +23,7 @@
#include <linux/personality.h>
#include <linux/binfmts.h>
#include <linux/freezer.h>
-
+#include <asm/system.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -500,7 +500,9 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
}
/* fallthrough */
case -ERESTARTNOINTR:
- regs->pc -= 2;
+ regs->pc -= instruction_size(
+ ctrl_inw(regs->pc - 4));
+ break;
}
} else {
/* gUSA handling */
@@ -516,7 +518,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
regs->regs[15] = regs->regs[1];
if (regs->pc < regs->regs[0])
/* Go to rewind point #1 */
- regs->pc = regs->regs[0] + offset - 2;
+ regs->pc = regs->regs[0] + offset -
+ instruction_size(ctrl_inw(regs->pc-4));
}
#ifdef CONFIG_PREEMPT
local_irq_restore(flags);
@@ -600,9 +603,9 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
regs->regs[0] == -ERESTARTSYS ||
regs->regs[0] == -ERESTARTNOINTR) {
regs->regs[0] = save_r0;
- regs->pc -= 2;
+ regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
} else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) {
- regs->pc -= 2;
+ regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
regs->regs[3] = __NR_restart_syscall;
}
}
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