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tests/qtest/e1000e-test: Check qemu_recv() succeeded

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The e1000e_send_verify() test calls qemu_recv() but doesn't
check that the call succeeded, which annoys Coverity. Add
an explicit test check for the length of the data.

(This is a test check, not a "we assume this syscall always
succeeds", so we use g_assert_cmpint() rather than g_assert().)

Fixes: Coverity CID 1432324
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20210525134458.6675-3-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-05-25 14:44:54 +01:00
parent 3c65e439b2
commit 380822edb3
1 changed files with 2 additions and 1 deletions
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3
tests/qtest/e1000e-test.c
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@ -93,7 +93,8 @@ static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *a
/* Check data sent to the backend */
ret = qemu_recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
g_assert_cmpint(ret, == , sizeof(recv_len));
qemu_recv(test_sockets[0], buffer, 64, 0);
ret = qemu_recv(test_sockets[0], buffer, 64, 0);
g_assert_cmpint(ret, >=, 5);
g_assert_cmpstr(buffer, == , "TEST");
/* Free test data buffer */