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Fix emulation of splice syscall #3

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andreas-schwab wants to merge 1 commits from opensuse-2.2 into opensuse-2.2
pull from: opensuse-2.2
merge into: dfaggioli:opensuse-2.2
Conversation 2 Commits 1 Files Changed 1 +13 -3
1 changed files with 13 additions and 3 deletions
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16
linux-user/syscall.c
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@@ -9481,14 +9481,24 @@ abi_long do_syscall(void *cpu_env, int num, abi_ulong arg1,
loff_t loff_in, loff_out;
loff_t *ploff_in = NULL, *ploff_out = NULL;
if(arg2) {
get_user_u64(loff_in, arg2);
if (get_user_u64(loff_in, arg2))
goto efault;
ploff_in = &loff_in;
}
if(arg4) {
get_user_u64(loff_out, arg2);
if (arg4) {
if (get_user_u64(loff_out, arg4))
goto efault;
ploff_out = &loff_out;
}
ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
if (arg2) {
if (put_user_u64(loff_in, arg2))
goto efault;
}
if (arg4) {
if (put_user_u64(loff_out, arg4))
goto efault;
}
}
break;
#endif