[PATCH] linux-user/arm: Fix return value of SYS_cacheflush

[J . Neuschäfer]

Although the emulated cacheflush syscall does nothing, it still needs to
return zero to indicate success.

Signed-off-by: J. Neuschäfer <j.neuschae...@gmx.net>
---
 linux-user/arm/cpu_loop.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c
index 
e8417d040691a04a3edc0f5508f047571beac8fa..33f63951a958a5a48ced2d1e187264d691e5c940
 100644
--- a/linux-user/arm/cpu_loop.c
+++ b/linux-user/arm/cpu_loop.c
@@ -363,6 +363,7 @@ void cpu_loop(CPUARMState *env)
                     switch (n) {
                     case ARM_NR_cacheflush:
                         /* nop */
+                        env->regs[0] = 0;
                         break;
                     case ARM_NR_set_tls:
                         cpu_set_tls(env, env->regs[0]);

---
base-commit: d9ce74873a6a5a7c504379857461e4ae64fcf0cd
change-id: 20250613-cache-723a77168c8e

Best regards,
-- 
J. Neuschäfer <j.neuschae...@gmx.net>