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| author | Eric W. Biederman <ebiederm@xmission.com> | 2018-04-20 02:20:58 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-09-27 21:59:17 +0200 |
| commit | 4445229445273da16cc3a4928e3ba327b0301e7f (patch) | |
| tree | 39db254b96a029dab7f0eebbb00030574b564d7d | |
| parent | signal/ia64: Use force_sig_fault where appropriate (diff) | |
| download | linux-4445229445273da16cc3a4928e3ba327b0301e7f.tar.xz linux-4445229445273da16cc3a4928e3ba327b0301e7f.zip | |
signal/arc: Push siginfo generation into unhandled_exception
Pass signr, sicode, and address into unhandled_exception as explicit
parameters instead of members of struct siginfo. Then in unhandled
exception generate and send the siginfo using force_sig_fault.
This keeps the code simpler and less error prone.
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| -rw-r--r-- | arch/arc/kernel/traps.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c index b123558bf0bb..a7fcbc0d3943 100644 --- a/arch/arc/kernel/traps.c +++ b/arch/arc/kernel/traps.c @@ -42,21 +42,22 @@ void die(const char *str, struct pt_regs *regs, unsigned long address) * -for kernel, chk if due to copy_(to|from)_user, otherwise die() */ static noinline int -unhandled_exception(const char *str, struct pt_regs *regs, siginfo_t *info) +unhandled_exception(const char *str, struct pt_regs *regs, + int signo, int si_code, void __user *addr) { if (user_mode(regs)) { struct task_struct *tsk = current; - tsk->thread.fault_address = (__force unsigned int)info->si_addr; + tsk->thread.fault_address = (__force unsigned int)addr; - force_sig_info(info->si_signo, info, tsk); + force_sig_fault(signo, si_code, addr, tsk); } else { /* If not due to copy_(to|from)_user, we are doomed */ if (fixup_exception(regs)) return 0; - die(str, regs, (unsigned long)info->si_addr); + die(str, regs, (unsigned long)addr); } return 1; @@ -64,16 +65,9 @@ unhandled_exception(const char *str, struct pt_regs *regs, siginfo_t *info) #define DO_ERROR_INFO(signr, str, name, sicode) \ int name(unsigned long address, struct pt_regs *regs) \ -{ \ - siginfo_t info; \ - \ - clear_siginfo(&info); \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void __user *)address; \ - \ - return unhandled_exception(str, regs, &info);\ +{ \ + return unhandled_exception(str, regs, signr, sicode, \ + (void __user *)address); \ } /* |