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: usb: gadget: configfs: Disallow empty function instance name From: Felipe Balbi Message-Id: <87bmj4nl1h.fsf@linux.intel.com> Date: Tue, 12 Dec 2017 15:16:42 +0200 To: Krzysztof Opasiak , gregkh@linuxfoundation.org, Alan Stern Cc: andrzej.p@samsung.com, linux-usb@vger.kernel.org List-ID: SGksCgpLcnp5c3p0b2YgT3Bhc2lhayA8ay5vcGFzaWFrQHNhbXN1bmcuY29tPiB3cml0ZXM6Cj4g T24gMTIvMTIvMjAxNyAwMTozMSBQTSwgRmVsaXBlIEJhbGJpIHdyb3RlOgo+PiAKPj4gSGksCj4+ IAo+PiBLcnp5c3p0b2YgT3Bhc2lhayA8ay5vcGFzaWFrQHNhbXN1bmcuY29tPiB3cml0ZXM6Cj4+ PiBFdmVyeSBmdW5jdGlvbiBzaG91bGQgaGF2ZSBhIHR5cGUgYW5kIGluc3RhbmNlIG5hbWUuCj4+ PiBVbmZvcnR1bmF0ZWx5IGluIG1vc3QgY2FzZXMgaW5zdGFuY2UgbmFtZSB3YXMgbGVmdCB1bnVz ZWQgYW5kIHVuY2hlY2tlZC4KPj4+IFRoaXMgbWF5IGxlYWQgdG8gc2l0dWF0aW9ucyBsaWtlIEZ1 bmN0aW9uRlMgZGV2aWNlIG5hbWUgaWRlbnRpZmllZCBieSAiIgo+Pj4gb3Igc29tZSBtaXNsZWFk aW5nIGRlYnVnIG1lc3NhZ2VzIGZyb20gVENNIGxpa2U6Cj4+Pgo+Pj4gdGNtOiBBY3RpdmF0aW5n Cj4+Pgo+Pj4gVG8gYXZvaWQgdGhpcyBsZXQncyBhZGQgYSBjaGVjayB0aGF0IGluc3RhbmNlIG5h bWUgc2hvdWxkIGhhdmUgYXQgbGVhc3QKPj4+IG9uZSBjaGFyYWN0ZXIuCj4+Pgo+Pj4gUmVwb3J0 ZWQtYnk6IFN0ZWZhbiBBZ25lciA8c3RlZmFuQGFnbmVyLmNoPgo+Pj4gU2lnbmVkLW9mZi1ieTog S3J6eXN6dG9mIE9wYXNpYWsgPGsub3Bhc2lha0BzYW1zdW5nLmNvbT4KPj4+IC0tLQo+Pj4gICBk cml2ZXJzL3VzYi9nYWRnZXQvY29uZmlnZnMuYyB8IDUgKysrKysKPj4+ICAgMSBmaWxlIGNoYW5n ZWQsIDUgaW5zZXJ0aW9ucygrKQo+Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9nYWRn ZXQvY29uZmlnZnMuYyBiL2RyaXZlcnMvdXNiL2dhZGdldC9jb25maWdmcy5jCj4+PiBpbmRleCBh ZWI5ZjNjNDA1MjEuLmJkYzllYzU5N2Q2YSAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvdXNiL2dh ZGdldC9jb25maWdmcy5jCj4+PiArKysgYi9kcml2ZXJzL3VzYi9nYWRnZXQvY29uZmlnZnMuYwo+ Pj4gQEAgLTU0OCw2ICs1NDgsMTEgQEAgc3RhdGljIHN0cnVjdCBjb25maWdfZ3JvdXAgKmZ1bmN0 aW9uX21ha2UoCj4+PiAgIAkqaW5zdGFuY2VfbmFtZSA9ICdcMCc7Cj4+PiAgIAlpbnN0YW5jZV9u YW1lKys7Cj4+PiAgIAo+Pj4gKwlpZiAoKmluc3RhbmNlX25hbWUgPT0gJ1wwJykgewo+Pj4gKwkJ cHJfZXJyKCJJbnN0YW5jZSBuYW1lIChhZnRlciAuKSBzaG91bGQgbm90IGJlIGVtcHR5XG4iKTsK Pj4+ICsJCXJldHVybiBFUlJfUFRSKC1FSU5WQUwpOwo+Pj4gKwl9Cj4+IAo+PiBhYWFhYWFuZCBq dXN0IGxpa2UgdGhhdCB5b3UgYnJlYWsgcG90ZW50aWFsbHkgZXhpc3Rpbmcgc2NyaXB0cyA6LSkK Pj4gCj4+IFdlIG5lZWQgdG8gZmluZCBhIGJldHRlciB3YXkgb2YgZW5mb3JjaW5nIGEgbmFtZSB3 aGljaCBkb2Vzbid0IGJyZWFrCj4+IGV4aXN0aW5nIHVzZXJzLgo+Cj4gSSdtIHJlYWxseSBvcGVu IGZvciBzdWdnZXN0aW9ucyBob3cgdG8gZW5mb3JjZSB0aGlzIHdpdGhvdXQgYnJlYWtpbmcgCj4g dGhvc2Ugc2NyaXB0cyA7KQo+Cj4gVGhlIG9yaWdpbiBvZiB0aGlzIGNvbW1pdCBpcyBnaXRodWIg aXNzdWUgZm9yIGxpYnVzYmd4WzFdLgo+IFNvIHRoZSBwcm9ibGVtIGlzIHRoYXQgbGlicmFyeSBh bGxvd3MgdG8gY3JlYXRlIGEgZnVuY3Rpb24gd2l0aCBlbXB0eSAKPiBuYW1lIChiZWNhdXNlIEkg bWlzdGFrZW5seSBhc3N1bWVkIHRoYXQga2VybmVsIHJlamVjdHMgdGhpcykgYnV0IHRoZW4gaXQg Cj4gaXMgdW5hYmxlIHRvIHJlaW5pdGlhbGl6ZSB0aGUgQ29uZmlnRlMgc3RhdGUgYmVjYXVzZSB0 aGVyZSBpcyBhIGNoZWNrIAo+IHRoYXQgZGlzYWxsb3dzIHRoaXMuIEZyb20gbXkgcG9pbnQgb2Yg dmlldyBJJ2QgYmUgaGFwcHkgdG8gZGlzYWxsb3cgCj4gZW1wdHkgbmFtZXMgYmVjYXVzZSBpdCBj YXVzZXMgc29tZSBwcm9ibGVtcyAoZl9mcykgb3Igd2VpcmQgZGVidWcgCj4gbWVzc2FnZXMgKGZf dGNtKSBzbyBpcyBnZW5lcmFsbHkgaW5jb252ZW5pZW50IGFuZCBzZWVtcyB0byBiZSAKPiB1bmlu dGVudGlvbmFsLiBCdXQgSSB3b3VsZCBsaWtlIHRvIGtlZXAgdGhpcyBjb25zaXN0ZW50IHdpdGgg a2VybmVsIHBvbGljeS4KCkkgdGhpbmsgd2UgbmVlZCB0byBmaXJzdCBmaXggbGlidXNiZ3ggdG8g cHJldmVudCBlbXB0eSBuYW1lcy4KCkkgZG9uJ3Qgd2FudCB0byBiZSB0aGUgb25lIGhlYXJpbmcg ZnJvbSBMaW51cyB0aGF0ICJ3ZSBkb24ndCBicmVhawp1c2Vyc3BhY2UiLiBJdCdzIGNsZWFyIHRo YXQgZW1wdHkgbmFtZXMgc2hvdWxkbid0IGJlIGFsbG93ZWQsIGJ1dCB0aGV5Cl9hcmVfIGFsbG93 ZWQgYXMgb2YgdG9kYXksIHNvIGhvdyBjYW4gd2UgY2F1c2UgYSByZWdyZXNzaW9uIGFsbCBvZiBh CnN1ZGRlbj8KCkFsYW4sIEdyZWcsIGFueSBzdWdnZXN0aW9ucz8K