Commit 72962167 authored by Colin Ian King's avatar Colin Ian King Committed by Daniel Borkmann
Browse files

xdp: remove redundant variable 'headroom' 



Variable 'headroom' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
variable ‘headroom’ set but not used [-Wunused-but-set-variable]

Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Acked-by: default avatarBjörn Töpel <bjorn.topel@intel.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 18baed26

net/core/xdp.c

+1 −2
Original line number Diff line number Diff line
@@ -412,7 +412,7 @@ EXPORT_SYMBOL_GPL(xdp_attachment_setup); 


struct xdp_frame *xdp_convert_zc_to_xdp_frame(struct xdp_buff *xdp)

{

	unsigned int metasize, headroom, totsize;

	unsigned int metasize, totsize;

	void *addr, *data_to_copy;

	struct xdp_frame *xdpf;

	struct page *page;
@@ -420,7 +420,6 @@ struct xdp_frame *xdp_convert_zc_to_xdp_frame(struct xdp_buff *xdp) 
	/* Clone into a MEM_TYPE_PAGE_ORDER0 xdp_frame. */

	metasize = xdp_data_meta_unsupported(xdp) ? 0 :

		   xdp->data - xdp->data_meta;

	headroom = xdp->data - xdp->data_hard_start;

	totsize = xdp->data_end - xdp->data + metasize;



	if (sizeof(*xdpf) + totsize > PAGE_SIZE)

CRA Git | Maintained and supported by SUSTech CRA and CCSE