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farsync: add module_put to error path in fst_open()
The fst_open() function, after a successful try_module_get() may return an error code if hdlc_open() returns it. However, it does not put the module on this error path. This patch adds the necessary module_put() call. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Pavel Shved <shved@ispras.ru> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
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1 changed files with 3 additions and 1 deletions
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@ -2203,8 +2203,10 @@ fst_open(struct net_device *dev)
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if (port->mode != FST_RAW) {
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err = hdlc_open(dev);
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if (err)
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if (err) {
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module_put(THIS_MODULE);
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return err;
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}
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}
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fst_openport(port);
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