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authorDeepak R Varma <drv@mailo.com>2023-01-04 20:48:38 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-17 19:18:47 +0100
commit3f04bd835cdc2e5de1cd8fdaa96c6757cc8b6d7a (patch)
tree5d326b98abbc6a9cc4f73878ced187d66ec355cf /drivers/staging/greybus
parente185623a495e85faa8fe899a2d6bf17dc5bbc12b (diff)
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staging: greybus: Replace zero-length array by DECLARE_FLEX_ARRAY() helper
The code currently uses C90 standard extension based zero length array struct which is now deprecated and the new C99 standard extension of flexible array declarations are to be used instead. Also, the macro DECLARE_FLEX_ARRAY() allows to use single flexible array member in a structure. Refer to these links [1], [2], and [3] for details. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://lore.kernel.org/lkml/YxKY6O2hmdwNh8r8@work [3] https://lore.kernel.org/lkml/20210827163015.3141722-2-keescook@chromium.org/ Issue identified using Coccinelle flexible_array.cocci semantic patch. Signed-off-by: Deepak R Varma <drv@mailo.com> Reviewed-by: Alex Elder <elder@linaro.org> Link: https://lore.kernel.org/r/Y7WYzkIOqaHOxDDS@qemulion Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/greybus')
-rw-r--r--drivers/staging/greybus/usb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/greybus/usb.c b/drivers/staging/greybus/usb.c
index 8e9d9d59a357..b7badf87a3f0 100644
--- a/drivers/staging/greybus/usb.c
+++ b/drivers/staging/greybus/usb.c
@@ -27,7 +27,7 @@ struct gb_usb_hub_control_request {
};
struct gb_usb_hub_control_response {
- u8 buf[0];
+ DECLARE_FLEX_ARRAY(u8, buf);
};
struct gb_usb_device {