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From: "Ze Huang" To: "Linus Walleij" , "Jiayu Du" Cc: , , , , , , , , Subject: Re: [PATCH v2] pinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree References: <20251228154947.194684-1-jiayu.riscv@isrc.iscas.ac.cn> In-Reply-To: X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_060333_238725_333471AB X-CRM114-Status: GOOD ( 11.13 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gVHVlIEZlYiAzLCAyMDI2IGF0IDg6MzIgQU0gQ1NULCBMaW51cyBXYWxsZWlqIHdyb3RlOgo+ IE9uIFN1biwgRGVjIDI4LCAyMDI1IGF0IDQ6NTPigK9QTSBKaWF5dSBEdSA8amlheXUucmlzY3ZA aXNyYy5pc2Nhcy5hYy5jbj4gd3JvdGU6Cj4KPj4gV2hlbiBwcm9iaW5nIHRoZSBrMjMwIHBpbmN0 cmwgZHJpdmVyLCB0aGUga2VybmVsIHRyaWdnZXJzIGEgTlVMTCBwb2ludGVyCj4+IGRlcmVmZXJl bmNlLiBUaGUgY3Jhc2ggdHJhY2Ugc2hvd2VkOgo+PiBbICAgIDAuNzMyMDg0XSBVbmFibGUgdG8g aGFuZGxlIGtlcm5lbCBOVUxMIHBvaW50ZXIgZGVyZWZlcmVuY2UgYXQgdmlydHVhbCBhZGRyZXNz IDAwMDAwMDAwMDAwMDAwNjgKPj4gWyAgICAwLjc0MDczN10gLi4uCj4+IFsgICAgMC43NzYyOTZd IGVwYyA6IGsyMzBfcGluY3RybF9wcm9iZSsweDFiZS8weDRmYwo+Pgo+PiBJbiBrMjMwX3BpbmN0 cmxfcGFyc2VfZnVuY3Rpb25zKCksIHdlIGF0dGVtcHQgdG8gcmV0cmlldmUgdGhlIGRldmljZQo+ PiBwb2ludGVyIHZpYSBpbmZvLT5wY3RsX2Rldi0+ZGV2LCBidXQgaW5mby0+cGN0bF9kZXYgaXMg b25seSBpbml0aWFsaXplZAo+PiBhZnRlciBrMjMwX3BpbmN0cmxfcGFyc2VfZHQoKSBjb21wbGV0 ZXMuCj4+Cj4+IEF0IHRoZSB0aW1lIG9mIERUIHBhcnNpbmcsIGluZm8tPnBjdGxfZGV2IGlzIHN0 aWxsIE5VTEwsIGxlYWRpbmcgdG8KPj4gdGhlIGludmFsaWQgZGVyZWZlcmVuY2Ugb2YgaW5mby0+ cGN0bF9kZXYtPmRldi4KPj4KPj4gVXNlIHRoZSBhbHJlYWR5IGF2YWlsYWJsZSBkZXZpY2UgcG9p bnRlciBmcm9tIHBsYXRmb3JtX2RldmljZQo+PiBpbnN0ZWFkIG9mIGFjY2Vzc2luZyB0aHJvdWdo IHVuaW5pdGlhbGl6ZWQgcGN0bF9kZXYuCj4+Cj4+IEZpeGVzOiBkOTRhMzJhYzY4OGYgKCJwaW5j dHJsOiBjYW5hYW46IGsyMzA6IEZpeCBvcmRlciBvZiBEVCBwYXJzZSBhbmQgcGluY3RybCByZWdp c3RlciIpCj4+IFNpZ25lZC1vZmYtYnk6IEppYXl1IER1IDxqaWF5dS5yaXNjdkBpc3JjLmlzY2Fz LmFjLmNuPgo+Cj4gUGF0Y2ggYXBwbGllZCEKPgo+IFNvcnJ5IGZvciBtaXNzaW5nIHRoaXMsIEkg d2FzIHdhaXRpbmcgZm9yIG1haW50YWluZXIgZmVlZGJhY2sKPiBidXQgaXQgbmV2ZXIgYXJyaXZl ZC4KPgo+IFlvdXJzLAo+IExpbnVzIFdhbGxlaWoKCkhpIExpbnVzLCBKaWF5dSwKCkFwb2xvZ2ll cyBmb3IgdGhlIGRlbGF5LgoKSSB0ZXN0ZWQgdGhpcyBvbiBrMjMwOyBpdCBmaXhlcyB0aGUgTlVM TCBwb2ludGVyIGRlcmVmZXJlbmNlIGR1cmluZyBwaW5jdHJsCnByb2JpbmcuIFRoZSBhcHByb2Fj aCBpcyBjb3JyZWN0LgoKVGhhbmtzIHRvIHlvdSBib3RoIQoKQmVzdCByZWdhcmRzLCBaZSBIdWFu ZwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt cmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDov L2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=