Commit b599015f authored by David Yang's avatar David Yang Committed by Andrii Nakryiko
Browse files

samples/bpf: Fix application of sizeof to pointer 



The coccinelle check report:
"./samples/bpf/xdp_redirect_cpu_user.c:397:32-38:
ERROR: application of sizeof to pointer"
Using the "strlen" to fix it.

Reported-by: default avatarZeal Robot <zealci@zte.com.cn>
Signed-off-by: default avatarDavid Yang <davidcomponentone@gmail.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211012111649.983253-1-davidcomponentone@gmail.com
parent efc36d6c

samples/bpf/xdp_redirect_cpu_user.c

+2 −4
Original line number Diff line number Diff line
@@ -325,7 +325,6 @@ int main(int argc, char **argv) 
	int add_cpu = -1;

	int ifindex = -1;

	int *cpu, i, opt;

	char *ifname;

	__u32 qsize;

	int n_cpus;
@@ -393,9 +392,8 @@ int main(int argc, char **argv) 
				fprintf(stderr, "-d/--dev name too long\n");

				goto end_cpu;

			}

			ifname = (char *)&ifname_buf;

			safe_strncpy(ifname, optarg, sizeof(ifname));

			ifindex = if_nametoindex(ifname);

			safe_strncpy(ifname_buf, optarg, strlen(ifname_buf));

			ifindex = if_nametoindex(ifname_buf);

			if (!ifindex)

				ifindex = strtoul(optarg, NULL, 0);

			if (!ifindex) {