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-rw-r--r--arch/riscv64/syscall_arch.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv64/syscall_arch.h b/arch/riscv64/syscall_arch.h
index 1aaeb631..3e0804ef 100644
--- a/arch/riscv64/syscall_arch.h
+++ b/arch/riscv64/syscall_arch.h
@@ -3,7 +3,7 @@
 
 #define __asm_syscall(...) \
 	__asm__ __volatile__ ("ecall\n\t" \
-	: "+r"(a0) : __VA_ARGS__ : "memory"); \
+	: "=r"(a0) : __VA_ARGS__ : "memory"); \
 	return a0; \
 
 static inline long __syscall0(long n)