From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usbip: vhc_hcd: prevent module being removed while device are attached From: Sasha Levin Message-Id: <20180418164353.GB2341@sasha-vm> Date: Wed, 18 Apr 2018 16:43:55 +0000 To: Greg KH Cc: Shuah Khan , "valentina.manea.m@gmail.com" , "shuah@kernel.org" , "linux-usb@vger.kernel.org" , "stable@vger.kernel.org" List-ID: T24gVGh1LCBBcHIgMDUsIDIwMTggYXQgMDk6MTE6MDJQTSArMDIwMCwgR3JlZyBLSCB3cm90ZToK Pk9uIFRodSwgQXByIDA1LCAyMDE4IGF0IDA0OjQyOjQ2UE0gKzAwMDAsIFNhc2hhIExldmluIHdy b3RlOgo+PiBIaS4KPj4KPj4gW1RoaXMgaXMgYW4gYXV0b21hdGVkIGVtYWlsXQo+Cj5XaHkgYXJl IHlvdSBydW5uaW5nIHRoaXMgYWdhaW5zdCBwYXRjaGVzIHRoYXQgYXJlIG5vdCB5ZXQgaW4gTGlu dXMncwo+dHJlZT8gIFRoYXQgZmVlbHMgb2RkLiAgT25seSBhYm91dCAxLzMgb2YgdGhlIHBhdGNo ZXMgcG9zdGVkIGVuZCB1cAo+YmVpbmcgbWVyZ2VkIChhdCBiZXN0KSwgc28gZG9uJ3QgZG8gZXh0 cmEgd29yayBieSBydW5uaW5nIHRoaXMgb24KPnBhdGNoZXMgdGhhdCBtaWdodCBub3QgZXZlbiBi ZSBtZXJnZWQgYXQgYWxsLgoKU29ycnkgZm9yIGxhdGUgcmVzcG9uc2UsIHRoaXMgZ290IGZsYWdn ZWQgYXMgc3BhbSA6LwoKSSB3YXMgdGVzdGluZyBvdXQgYSBkaWZmZXJlbnQgYXBwcm9hY2gsIHRo YXQgYXR0ZW1wdHMgdG8gYWRkcmVzcyB0aGUKZm9sbG93aW5nIGlzc3VlczoKCiAtIFdoZW4gd2Ug c2VuZCBhIHJldmlldyByZXF1ZXN0IGZvciBhIHBhdGNoLCBpdCB1c3VhbGx5IGhhcHBlbnMgd2Vl a3MKICAgYWZ0ZXIgdGhlIHBhdGNoIHdlbnQgdXBzdHJlYW0uIEF0IHRoYXQgcG9pbnQgZGV2ZWxv cGVycyBoYXZlIG1vdmVkCiAgIG9uLCBhbmQgd2UncmUgbGVzcyBsaWtlbHkgdG8gZ2V0IGEgaGVs cGZ1bCByZXNwb25zZS4KCiAtIFNvbWUgcGF0Y2hlcyBhcmUgdGFnZ2VkIGZvciBwYXJ0aWN1bGFy IHN0YWJsZSB0cmVlcywgYnV0IGRvbid0IGVuZCB1cAogICBhcHBseWluZy9mYWlsaW5nIGJ1aWxk IG9uIHRoZW0uIFVzdWFsbHkgd2hlbiB5b3Ugc2VuZCB5b3VyIHJlamVjdGlvbgogICBtYWlscyBm b3IgdGhlc2UgcGF0Y2hlcywgd2Ugc2VlIG5vIHJlc3BvbnNlLiBUaGlzIG1pZ2h0IG1lYW4gdGhh dAogICBrZXJuZWxzIHRoYXQgbmVlZCBhIHBhcnRpY3VsYXIgYnVnZml4IGdldCBtaXNzZWQgYmVj YXVzZSBvZiB0aGluZ3MKICAgbGlrZSB0cml2aWFsIGRlcGVuZGVuY2llcy4KCiAtIEkgd2FzIHBs YW5uaW5nIHRvIGludGVncmF0ZSBhIGxhcmdlciBzZXQgb2YgdGVzdGluZyB0byBiZSBkb25lIGZv cgogICB0aGVzZSBwYXRjaGVzIGJvdGggb24gbWFpbmxpbmUsIGFuZCBvbiBzdGFibGUga2VybmVs cy4gTGlrZSB0aGUgWEZTCiAgIGV4YW1wbGUsIHdlIGNvdWxkIHJ1biB4ZnN0ZXN0cyBmb3IgYW55 IGdpdmVuIHBhdGNoIGJvdGggb24gbWFpbmxpbmUKICAgYW5kIG9uIGFueSBvbGRlciBzdGFibGUg dHJlZXMgdGhpcyBwYXRjaCBhcHBsaWVkIHRvLCBUaGlzIHdvdWxkIGJvdGgKICAgaGVscCBtYWlu bGluZSBkZXZlbG9wbWVudCwgYW5kIHdvdWxkIGVuY291cmFnZSBkZXZzIHRvIGFkZHJlc3MgYW55 CiAgIGlzc3VlcyBpdCBjYXVzZXMgb24gc3RhYmxlIGtlcm5lbHMgYXMgd2VsbC4tLQpUbyB1bnN1 YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgt dXNiIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9y ZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9t by1pbmZvLmh0bWwK