linux-kernel - [PATCH] alpha: Add syscall_get_return

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Date:   Mon, 26 Apr 2021 17:16:29 +0800
From:   He Zhe <zhe.he@...driver.com>
To:     oleg@...hat.com, catalin.marinas@....com, will@...nel.org,
        paul@...l-moore.com, eparis@...hat.com, linux-audit@...hat.com,
        rth@...ddle.net, ink@...assic.park.msu.ru, mattst88@...il.com,
        linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhe.he@...driver.com
Subject: [PATCH] alpha: Add syscall_get_return_value()

audit now reuquires syscall_get_return_value instead of regs_return_value
to retrieve syscall return code . Other architectures that support audit
have already define this function.

Signed-off-by: He Zhe <zhe.he@...driver.com>
---
 arch/alpha/include/asm/syscall.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h
index 11c688c1d7ec..f21babaeed85 100644
--- a/arch/alpha/include/asm/syscall.h
+++ b/arch/alpha/include/asm/syscall.h
@@ -9,4 +9,10 @@ static inline int syscall_get_arch(struct task_struct *task)
 	return AUDIT_ARCH_ALPHA;
 }
 
+static inline long syscall_get_return_value(struct task_struct *task,
+					    struct pt_regs *regs)
+{
+	return regs->r0;
+}
+
 #endif	/* _ASM_ALPHA_SYSCALL_H */
-- 
2.17.1