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: xhci: xhci-mem: off by one in xhci_stream_id_to_ring() From: Dan Carpenter Message-Id: <20180704094852.nylsfxev557iluak@kili.mountain> Date: Wed, 4 Jul 2018 12:48:53 +0300 To: Mathias Nyman , Sarah Sharp Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, kernel-janitors@vger.kernel.org List-ID: VGhlID4gc2hvdWxkIGJlID49IGhlcmUgc28gdGhhdCB3ZSBkb24ndCByZWFkIG9uZSBlbGVtZW50 IGJleW9uZCB0aGUgZW5kCm9mIHRoZSBlcC0+c3RyZWFtX2luZm8tPnN0cmVhbV9yaW5nc1tdIGFy cmF5LgoKRml4ZXM6IGU5ZGYxN2ViMTQwOCAoIlVTQjogeGhjaTogQ29ycmVjdCBhc3N1bXB0aW9u cyBhYm91dCBudW1iZXIgb2YgcmluZ3MgcGVyIGVuZHBvaW50LiIpClNpZ25lZC1vZmYtYnk6IERh biBDYXJwZW50ZXIgPGRhbi5jYXJwZW50ZXJAb3JhY2xlLmNvbT4KLS0tClRvIHVuc3Vic2NyaWJl IGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC11c2IiIGlu CnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUg bWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8u aHRtbAoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1tZW0uYyBiL2RyaXZlcnMv dXNiL2hvc3QveGhjaS1tZW0uYwppbmRleCA4YTYyZWVlOWVlZTEuLmVmMzUwYzMzZGM0YSAxMDA2 NDQKLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLW1lbS5jCisrKyBiL2RyaXZlcnMvdXNiL2hv c3QveGhjaS1tZW0uYwpAQCAtNTk1LDcgKzU5NSw3IEBAIHN0cnVjdCB4aGNpX3JpbmcgKnhoY2lf c3RyZWFtX2lkX3RvX3JpbmcoCiAJaWYgKCFlcC0+c3RyZWFtX2luZm8pCiAJCXJldHVybiBOVUxM OwogCi0JaWYgKHN0cmVhbV9pZCA+IGVwLT5zdHJlYW1faW5mby0+bnVtX3N0cmVhbXMpCisJaWYg KHN0cmVhbV9pZCA+PSBlcC0+c3RyZWFtX2luZm8tPm51bV9zdHJlYW1zKQogCQlyZXR1cm4gTlVM TDsKIAlyZXR1cm4gZXAtPnN0cmVhbV9pbmZvLT5zdHJlYW1fcmluZ3Nbc3RyZWFtX2lkXTsKIH0K