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authorRichard Henderson <richard.henderson@linaro.org>2021-04-22 16:02:27 -0700
committerLaurent Vivier <laurent@vivier.eu>2021-05-18 07:10:46 +0200
commitfb80439b1ede60d214ae5bbacc29b137a89b9e72 (patch)
treede3ac47f0a22d5833de86d2519499863f8abd207 /linux-user
parent02d0de101c797d14115629818823c0e062c64d26 (diff)
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>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8d7ac1ebcf..c9f812091c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9060,32 +9060,26 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
target_ulong sigsetsize = arg4;
target_ulong restorer = 0;
#endif
- struct target_sigaction *act;
- struct target_sigaction *oact;
+ struct target_sigaction *act = NULL;
+ struct target_sigaction *oact = NULL;
if (sigsetsize != sizeof(target_sigset_t)) {
return -TARGET_EINVAL;
}
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
- return -TARGET_EFAULT;
- }
- } else {
- act = NULL;
+ if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) {
+ return -TARGET_EFAULT;
}
- if (arg3) {
- if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
- ret = -TARGET_EFAULT;
- goto rt_sigaction_fail;
+ if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
+ ret = -TARGET_EFAULT;
+ } else {
+ ret = get_errno(do_sigaction(arg1, act, oact, restorer));
+ if (oact) {
+ unlock_user_struct(oact, arg3, 1);
}
- } else
- oact = NULL;
- ret = get_errno(do_sigaction(arg1, act, oact, restorer));
- rt_sigaction_fail:
- if (act)
+ }
+ if (act) {
unlock_user_struct(act, arg2, 0);
- if (oact)
- unlock_user_struct(oact, arg3, 1);
+ }
}
return ret;
#ifdef TARGET_NR_sgetmask /* not on alpha */