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Subject[PATCH 5.1 081/121] tests: fix pidfd-test compilation
Date
[ Upstream commit 1fcd0eb356ad56c4e405f06e31dd9fde2109d5ab ]

Define __NR_pidfd_send_signal if it isn't to prevent a potential
compilation error.

To make pidfd-test compile on all arches, irrespective of whether
or not syscall numbers are assigned, define the syscall number to -1.
If it isn't defined this will cause the kernel to return -ENOSYS.

Fixes: 575a0ae9744d ("selftests: add tests for pidfd_send_signal()")
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/testing/selftests/pidfd/pidfd_test.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c
index d59378a93782..20323f55613a 100644
--- a/tools/testing/selftests/pidfd/pidfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -16,6 +16,10 @@

#include "../kselftest.h"

+#ifndef __NR_pidfd_send_signal
+#define __NR_pidfd_send_signal -1
+#endif
+
static inline int sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
unsigned int flags)
{
--
2.20.1


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