Re: [PATCH v3 17/18] nvmem: layouts: Add ONIE tlv layout driver
From: Sascha Hauer <hidden>
Date: 2022-11-21 07:52:02
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On Fri, Nov 18, 2022 at 07:51:17PM +0100, Michael Walle wrote:
From: Miquel Raynal <miquel.raynal@bootlin.com> This layout applies no top of any non volatile storage device containing
s/no/on/
+ table_len = hdr_len + data_len;
+ if (table_len > ONIE_TLV_MAX_LEN) {
+ dev_err(dev, "Invalid ONIE TLV data length\n");
+ return -EINVAL;
+ }
+
+ table = devm_kmalloc(dev, table_len, GFP_KERNEL);
+ if (!table)
+ return -ENOMEM;
+
+ ret = nvmem_device_read(nvmem, 0, table_len, table);
+ if (ret != table_len)
+ goto free_data_buf;
+
+ if (!onie_tlv_crc_is_valid(dev, table_len, table)) {
+ ret = -EINVAL;
+ goto free_data_buf;
+ }
+
+ data = table + hdr_len;
+ ret = onie_tlv_add_cells(dev, nvmem, data_len, data);
+ if (ret)
+ goto free_data_buf;
+
+free_data_buf:
+ kfree(table);This is allocated with devm_kmalloc(), you shouldn't free it here. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel