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Thu, 28 Jan 2021 08:47:11 +0100 (CET) Date: Thu, 28 Jan 2021 08:47:11 +0100 (CET) From: Richard Weinberger To: Tomas Winkler Message-ID: <1665542284.336646.1611820031174.JavaMail.zimbra@nod.at> In-Reply-To: References: <20210127200319.662842-1-tomas.winkler@intel.com> <9732911.325628.1611780400338.JavaMail.zimbra@nod.at> <1776363776.325713.1611782270873.JavaMail.zimbra@nod.at> Subject: Re: [PATCH] mtd: use refcount to prevent corruption MIME-Version: 1.0 X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF78 (Linux)/8.8.12_GA_3809) Thread-Topic: use refcount to prevent corruption Thread-Index: AQHW9OeD00Da249Jw0qJn6+VIZAeUao7z7AAgAAh5BBxoBSOfPxzntFAEGBJdu8= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210128_024714_108816_E04D8F1D X-CRM114-Status: GOOD ( 15.52 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel , linux-mtd , Vignesh Raghavendra , Miquel Raynal Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org VG9tYXMsCgotLS0tLSBVcnNwcsO8bmdsaWNoZSBNYWlsIC0tLS0tCj4+ID4+IENhbiB5b3UgcGxl YXNlIGV4cGxhaW4gYSBsaXR0bGUgbW9yZSB3aGF0IGRldmljZXMgYXJlIGludm9sdmVkPwo+PiA+ PiBEb2VzIGl0IGltcGxlbWVudCBfZ2V0X2RldmljZSgpIGFuZCBfcHV0X2RldmljZSgpPwo+PiA+ IE5vIHRoaXMgaXMgbm90IGNvbm5lY3RlZCB0byB0aG9zZSBoYW5kbGVycyBvZiB0aGUgdW5kZXJs eWluZyBkZXZpY2UKPj4gPiBhbmQgdGhvc2Ugd29uJ3QgaGVscC4KPj4gPiBJIGhhdmUgYSBzcGkg ZGV2aWNlIHByb3ZpZGVkIGJ5IE1GRCBmcmFtZXdvcmsgc28gaXQgY2FuIGdvIGF3YXkgYW55dGlt ZS4KPj4gCj4+IENhbiBpdCBnbyBhd2F5IHBoeXNpY2FsbHkgb3IganVzdCBpbiBzb2Z0d2FyZT8K PiBTb2Z0d2FyZSwgYnV0IHNpbmNlIHRoaXMgaXMgbWZkIGl0J3MgYmFzaWNhbGx5IGhvdHBsdWcu IFRoZSBrZXJuZWwgaXMgY3Jhc2hpbmcKPiB3aGVuIEkgc2ltdWxhdGUgaGFyZHdhcmUgZmFpbHVy ZS4KPj4gCj4+IFVzdWFsbHkgdGhlIHBhdHRlcm4gaXMgdGhhdCB5b3UgbWFrZSBzdXJlIGluIHRo ZSBkZXZpY2UgZHJpdmVyIHRoYXQgbm9ib2R5IGNhbgo+PiBvcnBoYW4gdGhlIE1URCB3aGlsZSBp dCBpcyBpbiB1c2UuCj4+IGUuZy4gZHJpdmVycy9tdGQvdWJpL2dsdWViaS5jIGRvZXMgc28uIElu IF9nZXRfZGV2aWNlKCkgaXQgZ3JhYnMgYSByZWZlcmVuY2Ugb24KPj4gdGhlIHVuZGVybHlpbmcg VUJJIHZvbHVtZSB0byBtYWtlIHN1cmUgaXQgY2Fubm90IGdvIGF3YXkgd2hpbGUgdGhlIE1URCAo b24KPj4gdG9wIG9mIFVCSSkgaXMgaW4gdXNlLgo+IAo+IEkgY2FuIHRyeSB0aGF0IGlmIGl0IGhl bHBzLCBiZWNhdXNlIHdlIGFyZSBzaW11bGF0aW5nIHBvc3NpYmxlIGxvd2VyIGxldmVsCj4gY3Jh c2guCj4gSW4gYW4gY2FzZSBJIGJlbGlldmUgdGhhdCB0aGUgcHJvcGVyIHJlZmNvdXRpbmcgaXMg bXVjaCBtb3JlIHJvYnVzdCBzb2x1dGlvbiwKPiB0aGFuIHRoZSBjdXJyZW50IG9uZS4KPiBJJ2Qg YXBwcmVjaWF0ZSBpZiBzb21lb25lIGNhbiByZXZpZXcgdGhlIGFjdHVhbCBpbXBsZW1lbnRhdGlv bi4KClRoaXMgaGFwcGVucyByaWdodCBub3csIEkgdHJ5IHRvIHVuZGVyc3RhbmQgd2h5IGV4YWN0 bHkgdGhlIGN1cnJlbnQgd2F5IGlzIG5vdApnb29kIGluIGVub3VnaC4gOi0pCgpZb3VyIGFwcHJv YWNoIG1ha2VzIHN1cmUgdGhhdCB0aGUgTVREIGl0c2VsZiBkb2VzIG5vdCBnbyBhd2F5IHdoaWxl IGl0IGhhcyB1c2VycyBidXQKaG93IGRvZXMgdGhpcyBoZWxwIGluIHRoZSBjYXNlIHdoZXJlIHRo ZSB1bmRlcmx5aW5nIE1GRCBqdXN0IHZhbmlzaGVzPwpUaGUgTVREIGNhbiBiZSBpbiB1c2UgYW5k IHRoZSBNRkQgY2FuIGdvIGF3YXkgd2hpbGUgZS5nLiBtdGRfcmVhZCgpIG9yIHN1Y2gKdGFrZXMg cGxhY2UuCgpUaGFua3MsCi8vcmljaGFyZAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K