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authorSamuel Thibault2018-02-11 18:47:04 +0100
committerLaurent Vivier2018-02-18 18:52:32 +0100
commit5fdefcf808a6d70a26e4c536cf0a0acad9b0fff3 (patch)
tree2be6b405e888714816c58f5eb5c5bde8013e4636 /linux-user/syscall.c
parentlinux-user: Fix register used for 6th and 7th syscall argument on aarch64 (diff)
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linux-user: Fix sched_getaffinity mask size
We properly computed the capped mask size to be put to the application buffer, but didn't actually used it. Also, we need to return the capped mask size instead of 0 on success. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180211174704.27441-1-samuel.thibault@ens-lyon.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index effc3a0881..e24f43c4a2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -10502,7 +10502,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = arg2;
}
- ret = host_to_target_cpu_mask(mask, mask_size, arg3, arg2);
+ if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
+ goto efault;
+ }
}
}
break;