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Re: [RFC v2 32/96] cl8k: add fw.h

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On 5/24/2022 4:33 AM, viktor.barna@xxxxxxxxxx wrote:
[snip]

+/* Message structure. */
+struct cl_fw_msg {
+	__le16 msg_id;  /* Message ID. */
+	u8 dst_kern_id; /* Destination kernel ID. */
+	u8 dst_task_id; /* Destination task ID. */
+	u8 src_kern_id; /* Source kernel ID. */
+	u8 src_task_id; /* Source task ID. */
+	__le16 param_len;  /* Parameter embedded struct length. */
+	__le32 param[1];   /* Parameter embedded struct - must be word-aligned. */

use of [1] is deprecated and this usage will potentially break with upcoming "fortify source" kernel changes

see <https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays>

when you change to use just [] make sure that any code that uses sizeof(the current struct) is modified to account for the removal of one __le32 from the struct



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