| Message ID | 20220221173415.GA1149599@embeddedor |
|---|---|
| State | New |
| Headers | show |
| Series | [next] usbnet: gl620a: Replace one-element array with flexible-array member | expand |
diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c index 13a9a83b8538..46af78caf457 100644 --- a/drivers/net/usb/gl620a.c +++ b/drivers/net/usb/gl620a.c @@ -56,7 +56,7 @@ struct gl_packet { __le32 packet_length; - char packet_data [1]; + char packet_data[]; }; struct gl_header {
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]. This helps with the ongoing efforts to globally enable -Warray-bounds and get us closer to being able to tighten the FORTIFY_SOURCE routines on memcpy(). This issue was found with the help of Coccinelle and audited and fixed, manually. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/79 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/usb/gl620a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)