[PATCH] selftests/bpf: use swap() to make code cleaner
From: Yihao Han <hidden>
Date: 2021-11-12 03:27:27
Also in:
bpf, linux-kselftest, lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest, xdp (express data path) · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Shuah Khan, Linus Torvalds, David S. Miller, Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend
Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid opencoding it. Signed-off-by: Yihao Han <redacted> --- tools/testing/selftests/bpf/progs/test_xdp_noinline.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
index 596c4e71bf3a..6d9972168a7c 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c@@ -428,7 +428,6 @@ int send_icmp_reply(void *data, void *data_end) { struct icmphdr *icmp_hdr; __u16 *next_iph_u16; - __u32 tmp_addr = 0; struct iphdr *iph; __u32 csum1 = 0; __u32 csum = 0;
@@ -444,9 +443,7 @@ int send_icmp_reply(void *data, void *data_end) icmp_hdr->type = 0; icmp_hdr->checksum += 0x0007; iph->ttl = 4; - tmp_addr = iph->daddr; - iph->daddr = iph->saddr; - iph->saddr = tmp_addr; + swap(iph->daddr, iph->saddr); iph->check = 0; next_iph_u16 = (__u16 *) iph; #pragma clang loop unroll(full)
--
2.17.1