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checkpatch: don't test for prefer ether_addr_<foo> 

< 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.

Link: http://lkml.kernel.org/r/dc32ec66d24647f4cdf824c8dfbbc59aa7ce7b7d.1472665676.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg <gvrose8192@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2016-10-11 13:51:53 -07:00 committed by Linus Torvalds
parent 08eb9b8016
commit f333195d41
1 changed files with 35 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
scripts/checkpatch.pl
View File

@ -5554,46 +5554,46 @@ 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 &&