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[PATCH] linux-user: Drop unnecessary check in signalfd4 syscall
From: |
Helge Deller |
Subject: |
[PATCH] linux-user: Drop unnecessary check in signalfd4 syscall |
Date: |
Fri, 24 Apr 2020 23:04:22 +0200 |
The signalfd4() syscall takes optional O_NONBLOCK and O_CLOEXEC fcntl
flags. If the user gave any other invalid flags, the host syscall will
return correct error codes, so simply drop the extra check here.
Signed-off-by: Helge Deller <address@hidden>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 05f03919ff..ebf0d38321 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7176,9 +7176,6 @@ static abi_long do_signalfd4(int fd, abi_long mask, int
flags)
sigset_t host_mask;
abi_long ret;
- if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
- return -TARGET_EINVAL;
- }
if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
return -TARGET_EFAULT;
}
- [PATCH] linux-user: Drop unnecessary check in signalfd4 syscall,
Helge Deller <=