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tests/tcg/multiarch/linux-test: Fix error check for shmat

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The error indicator for this syscall is -1, not 0.

Fixes: e374bfa35bfb ("shm tests - disabled clone test")
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191106113318.10226-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2019-11-06 12:33:08 +01:00 committed by Laurent Vivier
parent 7c81570d93
commit 3d72543494
1 changed files with 2 additions and 1 deletions
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tests/tcg/multiarch/linux-test.c
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@ -503,8 +503,9 @@ static void test_shm(void)
shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777)); shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777));
ptr = shmat(shmid, NULL, 0); ptr = shmat(shmid, NULL, 0);
if (!ptr) if (ptr == (void *)-1) {
error("shmat"); error("shmat");
}
memset(ptr, 0, SHM_SIZE); memset(ptr, 0, SHM_SIZE);