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-rw-r--r--crypto/aes/asm/bsaes-armv7.pl12
1 files changed, 7 insertions, 5 deletions
diff --git a/crypto/aes/asm/bsaes-armv7.pl b/crypto/aes/asm/bsaes-armv7.pl
index 7f5219bc75..b917dbf1e5 100644
--- a/crypto/aes/asm/bsaes-armv7.pl
+++ b/crypto/aes/asm/bsaes-armv7.pl
@@ -50,9 +50,10 @@
# April-August 2013
# Add CBC, CTR and XTS subroutines and adapt for kernel use; courtesy of Ard.
-$flavour = shift;
-if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
-else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+# $output is the last argument if it looks like a file (it has an extension)
+# $flavour is the first argument if it doesn't look like a file
+$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
+$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
if ($flavour && $flavour ne "void") {
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
@@ -60,9 +61,10 @@ if ($flavour && $flavour ne "void") {
( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
die "can't locate arm-xlate.pl";
- open STDOUT,"| \"$^X\" $xlate $flavour $output";
+ open STDOUT,"| \"$^X\" $xlate $flavour \"$output\""
+ or die "can't call $xlate: $!";
} else {
- open STDOUT,">$output";
+ $output and open STDOUT,">$output";
}
my ($inp,$out,$len,$key)=("r0","r1","r2","r3");