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Message-Id: <1596079620-20023-1-git-send-email-zhaoqianligood@gmail.com>
Date: Thu, 30 Jul 2020 11:27:00 +0800
From: Qianli Zhao <zhaoqianligood@...il.com>
To: stefanr@...6.in-berlin.de, linux1394-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org, gustavo@...eddedor.com,
zhaoqianli@...omi.com
Subject: [PATCH] firewire: firewire-cdev.h: Avoid the use of one-element array
From: Qianli Zhao <zhaoqianli@...omi.com>
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://github.com/KSPP/linux/issues/21
Signed-off-by: Qianli Zhao <zhaoqianli@...omi.com>
---
include/uapi/linux/firewire-cdev.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/uapi/linux/firewire-cdev.h b/include/uapi/linux/firewire-cdev.h
index 7e5b5c1..487de87f 100644
--- a/include/uapi/linux/firewire-cdev.h
+++ b/include/uapi/linux/firewire-cdev.h
@@ -118,7 +118,7 @@ struct fw_cdev_event_response {
__u32 type;
__u32 rcode;
__u32 length;
- __u32 data[0];
+ __u32 data[];
};
/**
@@ -142,7 +142,7 @@ struct fw_cdev_event_request {
__u64 offset;
__u32 handle;
__u32 length;
- __u32 data[0];
+ __u32 data[];
};
/**
@@ -205,7 +205,7 @@ struct fw_cdev_event_request2 {
__u32 generation;
__u32 handle;
__u32 length;
- __u32 data[0];
+ __u32 data[];
};
/**
@@ -344,7 +344,7 @@ struct fw_cdev_event_iso_resource {
* @data: Incoming data
*
* If @type is %FW_CDEV_EVENT_PHY_PACKET_SENT, @length is 0 and @data empty,
- * except in case of a ping packet: Then, @length is 4, and @data[0] is the
+ * except in case of a ping packet: Then, @length is 4, and @data[] is the
* ping time in 49.152MHz clocks if @rcode is %RCODE_COMPLETE.
*
* If @type is %FW_CDEV_EVENT_PHY_PACKET_RECEIVED, @length is 8 and @data
@@ -355,7 +355,7 @@ struct fw_cdev_event_phy_packet {
__u32 type;
__u32 rcode;
__u32 length;
- __u32 data[0];
+ __u32 data[];
};
/**
--
2.7.4
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