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[PULL,for-2.0,2/7] linux-user: Don't return uninitialized value for atomic_barrier syscall

Message ID 3b899ea7d405dc7634ac629aa7b0e7639d506d9f.1395237255.git.riku.voipio@linaro.org
State Accepted
Commit 3b899ea7d405dc7634ac629aa7b0e7639d506d9f
Headers show

Commit Message

Riku Voipio March 19, 2014, 2:02 p.m. UTC 
From: Peter Maydell <peter.maydell@linaro.org>

QEMU's implementation of the m68k atomic_barrier syscall, like the kernel's,
is just a no-op. However we still need to return a result code from it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 linux-user/syscall.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ffc11de..b5eadb1 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9148,6 +9148,7 @@  abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
     case TARGET_NR_atomic_barrier:
     {
         /* Like the kernel implementation and the qemu arm barrier, no-op this? */
+        ret = 0;
         break;
     }
 #endif