We properly computed the capped mask size to be put to the application
buffer, but didn't actually it. Also, we need to return the capped mask
size instead of 0 on success.
Signed-off-by: Samuel Thibault <samuel.thiba...@ens-lyon.org>
---
linux-user/syscall.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 74378947f0..cf2369aac2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -10496,10 +10496,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
ret = -TARGET_EINVAL;
break;
}
- ret = arg2;
+ } else if (arg2 > ret) {
+ arg2 = ret;
}
ret = host_to_target_cpu_mask(mask, mask_size, arg3, arg2);
+
+ if (ret == 0) {
+ ret = arg2;
+ }
}
}
break;
--
2.15.1
