==========
checkpatch - FAILED

WARNING: line length of 84 exceeds 80 columns
#58: FILE: net/ipv4/icmp.c:812:
+	if ( !(ct->status & IPS_SRC_NAT && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)

ERROR: space prohibited after that open parenthesis '('
#58: FILE: net/ipv4/icmp.c:812:
+	if ( !(ct->status & IPS_SRC_NAT && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)

WARNING: line length of 90 exceeds 80 columns
#59: FILE: net/ipv4/icmp.c:813:
+		&& !(ct->status & IPS_DST_NAT && CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY)) {

CHECK: Logical continuations should be on the previous line
#59: FILE: net/ipv4/icmp.c:813:
+	if ( !(ct->status & IPS_SRC_NAT && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)
+		&& !(ct->status & IPS_DST_NAT && CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY)) {

WARNING: braces {} are not necessary for any arm of this statement
#68: FILE: net/ipv4/icmp.c:828:
+	if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) {
[...]
+	} else {
[...]

WARNING: line length of 90 exceeds 80 columns
#69: FILE: net/ipv4/icmp.c:829:
+		ip_hdr(skb_in)->saddr = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;

WARNING: line length of 87 exceeds 80 columns
#71: FILE: net/ipv4/icmp.c:831:
+		ip_hdr(skb_in)->saddr = ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip;

total: 1 errors, 5 warnings, 1 checks, 26 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit d64f3cb2d2da ("icmp: fix icmp_ndo_send address translation for reply direction") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.