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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] tests/tcg/multiarch/linux-test: Fix error check for shmat
Date: Sun,  8 Jul 2018 18:49:53 -0700	[thread overview]
Message-ID: <20180709014953.26230-1-richard.henderson@linaro.org> (raw)

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(-)

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);
 
-- 
2.17.1

             reply	other threads:[~2018-07-09  1:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-09  1:49 Richard Henderson [this message]
2019-01-29 18:43 ` [Qemu-devel] [PATCH] tests/tcg/multiarch/linux-test: Fix error check for shmat Richard Henderson
2019-01-29 19:34 ` Emilio G. Cota

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