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[PATCH v2 02/12] tests/tcg/multiarch/linux-test: Fix error check for shm
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From: |
Richard Henderson |
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Subject: |
[PATCH v2 02/12] tests/tcg/multiarch/linux-test: Fix error check for shmat |
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Date: |
Fri, 25 Oct 2019 07:39:11 -0400 |
The error indicator for this syscall is -1, not 0.
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tests/tcg/multiarch/linux-test.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c
index fa4243fc04..673d7c8a1c 100644
--- a/tests/tcg/multiarch/linux-test.c
+++ b/tests/tcg/multiarch/linux-test.c
@@ -503,8 +503,9 @@ static void test_shm(void)
shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777));
ptr = shmat(shmid, NULL, 0);
- if (!ptr)
+ if (ptr == (void *)-1) {
error("shmat");
+ }
memset(ptr, 0, SHM_SIZE);
--
2.17.1