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Groups > linux.kernel > #1473754

[PATCH] checkpatch: Don't test for prefer ether_addr_<foo>

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< sigh > Comment these tests out.

These are just too enticing to people that don't verify that
both source and dest addresses really must be __aligned(2).

It helps make Dan Carpenter happy too.

Signed-off-by: Joe Perches <joe@perches.com>
cc: Dan Carpenter <dan.carpenter@oracle.com>
---
 scripts/checkpatch.pl | 70 +++++++++++++++++++++++++--------------------------
 1 file changed, 35 insertions(+), 35 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index bdc12d9..3f7245c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5568,46 +5568,46 @@ sub process {
 		}
 
 # Check for memcpy(foo, bar, ETH_ALEN) that could be ether_addr_copy(foo, bar)
-		if ($^V && $^V ge 5.10.0 &&
-		    defined $stat &&
-		    $stat =~ /^\+(?:.*?)\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
-			if (WARN("PREFER_ETHER_ADDR_COPY",
-				 "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . "$here\n$stat\n") &&
-			    $fix) {
-				$fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
-			}
-		}
+#		if ($^V && $^V ge 5.10.0 &&
+#		    defined $stat &&
+#		    $stat =~ /^\+(?:.*?)\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+#			if (WARN("PREFER_ETHER_ADDR_COPY",
+#				 "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . "$here\n$stat\n") &&
+#			    $fix) {
+#				$fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
+#			}
+#		}
 
 # Check for memcmp(foo, bar, ETH_ALEN) that could be ether_addr_equal*(foo, bar)
-		if ($^V && $^V ge 5.10.0 &&
-		    defined $stat &&
-		    $stat =~ /^\+(?:.*?)\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
-			WARN("PREFER_ETHER_ADDR_EQUAL",
-			     "Prefer ether_addr_equal() or ether_addr_equal_unaligned() over memcmp()\n" . "$here\n$stat\n")
-		}
+#		if ($^V && $^V ge 5.10.0 &&
+#		    defined $stat &&
+#		    $stat =~ /^\+(?:.*?)\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+#			WARN("PREFER_ETHER_ADDR_EQUAL",
+#			     "Prefer ether_addr_equal() or ether_addr_equal_unaligned() over memcmp()\n" . "$here\n$stat\n")
+#		}
 
 # check for memset(foo, 0x0, ETH_ALEN) that could be eth_zero_addr
 # check for memset(foo, 0xFF, ETH_ALEN) that could be eth_broadcast_addr
-		if ($^V && $^V ge 5.10.0 &&
-		    defined $stat &&
-		    $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
-
-			my $ms_val = $7;
-
-			if ($ms_val =~ /^(?:0x|)0+$/i) {
-				if (WARN("PREFER_ETH_ZERO_ADDR",
-					 "Prefer eth_zero_addr over memset()\n" . "$here\n$stat\n") &&
-				    $fix) {
-					$fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_zero_addr($2)/;
-				}
-			} elsif ($ms_val =~ /^(?:0xff|255)$/i) {
-				if (WARN("PREFER_ETH_BROADCAST_ADDR",
-					 "Prefer eth_broadcast_addr() over memset()\n" . "$here\n$stat\n") &&
-				    $fix) {
-					$fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/;
-				}
-			}
-		}
+#		if ($^V && $^V ge 5.10.0 &&
+#		    defined $stat &&
+#		    $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+#
+#			my $ms_val = $7;
+#
+#			if ($ms_val =~ /^(?:0x|)0+$/i) {
+#				if (WARN("PREFER_ETH_ZERO_ADDR",
+#					 "Prefer eth_zero_addr over memset()\n" . "$here\n$stat\n") &&
+#				    $fix) {
+#					$fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_zero_addr($2)/;
+#				}
+#			} elsif ($ms_val =~ /^(?:0xff|255)$/i) {
+#				if (WARN("PREFER_ETH_BROADCAST_ADDR",
+#					 "Prefer eth_broadcast_addr() over memset()\n" . "$here\n$stat\n") &&
+#				    $fix) {
+#					$fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/;
+#				}
+#			}
+#		}
 
 # typecasts on min/max could be min_t/max_t
 		if ($^V && $^V ge 5.10.0 &&
-- 
2.10.0.rc2.1.gb2aa91d

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[PATCH] checkpatch: Don't test for prefer ether_addr_<foo> Joe Perches <joe@perches.com> - 2016-08-31 19:50 +0200
  Re: [PATCH] checkpatch: Don't test for prefer ether_addr_<foo> Greg <gvrose8192@gmail.com> - 2016-08-31 20:00 +0200
  Re: [PATCH] checkpatch: Don't test for prefer ether_addr_<foo> Dan Carpenter <dan.carpenter@oracle.com> - 2016-09-01 12:40 +0200

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