ide: Fix segfault when flushing a device that doesn't exist
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -848,7 +848,9 @@ static void ide_flush_cb(void *opaque, int ret)
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}
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}
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if (s->bs) {
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bdrv_acct_done(s->bs, &s->acct);
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}
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s->status = READY_STAT | SEEK_STAT;
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ide_cmd_done(s);
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ide_set_irq(s->bus);
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@ -564,6 +564,19 @@ static void test_retry_flush(void)
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ide_test_quit();
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}
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static void test_flush_nodev(void)
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{
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ide_test_start("");
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/* FLUSH CACHE command on device 0*/
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outb(IDE_BASE + reg_device, 0);
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outb(IDE_BASE + reg_command, CMD_FLUSH_CACHE);
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/* Just testing that qemu doesn't crash... */
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ide_test_quit();
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}
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int main(int argc, char **argv)
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{
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const char *arch = qtest_get_arch();
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@ -601,6 +614,7 @@ int main(int argc, char **argv)
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qtest_add_func("/ide/bmdma/teardown", test_bmdma_teardown);
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qtest_add_func("/ide/flush", test_flush);
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qtest_add_func("/ide/flush_nodev", test_flush_nodev);
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qtest_add_func("/ide/retry/flush", test_retry_flush);
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