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signal/arm64: Remove unneeded tsk parameter from arm64_force_sig_info

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Every caller passes in current for tsk so there is no need to pass
tsk.  Instead make tsk a local variable initialized to current.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2018-09-22 00:38:41 +02:00
parent 6fa998e83e
commit 24b8f79dd8
5 changed files with 8 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/kernel/debug-monitors.c
View File

@@ -224,7 +224,7 @@ static void send_user_sigtrap(int si_code)
if (interrupts_enabled(regs))
local_irq_enable();
arm64_force_sig_info(&info, "User debug trap", current);
arm64_force_sig_info(&info, "User debug trap");
}
static int single_step_handler(unsigned long addr, unsigned int esr,

2
arch/arm64/kernel/ptrace.c
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@@ -211,7 +211,7 @@ static void ptrace_hbptriggered(struct perf_event *bp,
force_sig_ptrace_errno_trap(si_errno, (void __user *)bkpt->trigger);
}
#endif
arm64_force_sig_info(&info, "Hardware breakpoint trap (ptrace)", current);
arm64_force_sig_info(&info, "Hardware breakpoint trap (ptrace)");
}
/*

8
arch/arm64/kernel/traps.c
View File

@@ -231,9 +231,9 @@ static bool show_unhandled_signals_ratelimited(void)
return show_unhandled_signals && __ratelimit(&rs);
}
void arm64_force_sig_info(struct siginfo *info, const char *str,
struct task_struct *tsk)
void arm64_force_sig_info(struct siginfo *info, const char *str)
{
struct task_struct *tsk = current;
unsigned int esr = tsk->thread.fault_code;
struct pt_regs *regs = task_pt_regs(tsk);
@@ -273,7 +273,7 @@ void arm64_notify_die(const char *str, struct pt_regs *regs,
info.si_code = sicode;
info.si_addr = addr;
arm64_force_sig_info(&info, str, current);
arm64_force_sig_info(&info, str);
} else {
die(str, regs, err);
}
@@ -630,7 +630,7 @@ asmlinkage void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr)
current->thread.fault_address = 0;
current->thread.fault_code = esr;
arm64_force_sig_info(&info, "Bad EL0 synchronous exception", current);
arm64_force_sig_info(&info, "Bad EL0 synchronous exception");
}
#ifdef CONFIG_VMAP_STACK