linux-user: Tidy TARGET_NR_rt_sigaction
Initialize variables instead of elses. Use an else instead of a goto. Add braces. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210422230227.314751-8-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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@ -9060,32 +9060,26 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
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target_ulong sigsetsize = arg4;
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target_ulong restorer = 0;
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#endif
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struct target_sigaction *act;
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struct target_sigaction *oact;
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struct target_sigaction *act = NULL;
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struct target_sigaction *oact = NULL;
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if (sigsetsize != sizeof(target_sigset_t)) {
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return -TARGET_EINVAL;
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}
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if (arg2) {
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if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
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return -TARGET_EFAULT;
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}
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} else {
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act = NULL;
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if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) {
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return -TARGET_EFAULT;
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}
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if (arg3) {
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if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
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ret = -TARGET_EFAULT;
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goto rt_sigaction_fail;
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if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
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ret = -TARGET_EFAULT;
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} else {
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ret = get_errno(do_sigaction(arg1, act, oact, restorer));
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if (oact) {
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unlock_user_struct(oact, arg3, 1);
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}
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} else
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oact = NULL;
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ret = get_errno(do_sigaction(arg1, act, oact, restorer));
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rt_sigaction_fail:
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if (act)
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}
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if (act) {
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unlock_user_struct(act, arg2, 0);
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if (oact)
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unlock_user_struct(oact, arg3, 1);
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}
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}
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return ret;
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#ifdef TARGET_NR_sgetmask /* not on alpha */
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