diff mbox series

[1/3] tests/tcg/multiarch/linux-test: Fix error check for shmat

Message ID 20181017015456.3293-2-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: Fix shmat by honoring SHMLBA | expand

Commit Message

Richard Henderson Oct. 17, 2018, 1:54 a.m. UTC 
The error indicator for this syscall is -1, not 0.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 tests/tcg/multiarch/linux-test.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

-- 
2.17.2
diff mbox series

Patch

diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c
index e80eccc0ce..6d2c02c5c0 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);