powerpc/audit: Simplify syscall_get_arch()

Make use of is_32bit_task() and CONFIG_CPU_LITTLE_ENDIAN
to simplify syscall_get_arch().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/4be53b9187a4d8c163968f4d224267e41a7fcc33.1629451479.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index 7ea3c40441861c93f83db4ef811a4b890109ab51..c60ebd04b2ed9bc829165c96033984c2c35f1243 100644 (file)
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -115,16 +115,11 @@ static inline void syscall_set_arguments(struct task_struct *task,
 
 static inline int syscall_get_arch(struct task_struct *task)
 {
-       int arch;
-
-       if (IS_ENABLED(CONFIG_PPC64) && !test_tsk_thread_flag(task, TIF_32BIT))
-               arch = AUDIT_ARCH_PPC64;
+       if (is_32bit_task())
+               return AUDIT_ARCH_PPC;
+       else if (IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+               return AUDIT_ARCH_PPC64LE;
        else
-               arch = AUDIT_ARCH_PPC;
-
-#ifdef __LITTLE_ENDIAN__
-       arch |= __AUDIT_ARCH_LE;
-#endif
-       return arch;
+               return AUDIT_ARCH_PPC64;
 }
 #endif /* _ASM_SYSCALL_H */