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authorAmit Pundir <amit.pundir@linaro.org>2017-08-01 10:52:52 +0530
committerAmit Pundir <amit.pundir@linaro.org>2017-08-01 11:26:49 +0530
commitb43282fc74615c71e3a58fa92a4fe62f5374acd6 (patch)
tree54c3e0f148beedd088ddb8e40268cf1c07b3bc08 /arch/s390/include/asm/syscall.h
parentf83fb557207250de93aa8882df19acfc7fe7ace7 (diff)
parent37f3f1536a86154b0c1cc2586fa6c513e79a440e (diff)
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-17.08-android
Conflicts: arch/arm64/kernel/setup.c AOSP Change-Id: I98624593273ae4c90ae299f063d26f35a39a0a31 (upstream commit 12d11817eaaf "arm64: Move /proc/cpuinfo handling code") moved /proc/cpuinfo handling code from arch/arm64/kernel/{setup.c to cpuinfo.c}. Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Diffstat (limited to 'arch/s390/include/asm/syscall.h')
-rw-r--r--arch/s390/include/asm/syscall.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index 5bc12598ae9e..13243715e5ad 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -64,6 +64,12 @@ static inline void syscall_get_arguments(struct task_struct *task,
{
unsigned long mask = -1UL;
+ /*
+ * No arguments for this syscall, there's nothing to do.
+ */
+ if (!n)
+ return;
+
BUG_ON(i + n > 6);
#ifdef CONFIG_COMPAT
if (test_tsk_thread_flag(task, TIF_31BIT))