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ktest.pl: Fix the logic for truncating the size of the log file for email

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The logic for truncating the log file for emailing based on the
MAIL_MAX_SIZE option is confusing and incorrect. Simplify it and have the
tail of the log file truncated to the max size specified in the config.

Cc: stable@vger.kernel.org
Fixes: 855d8abd2e ("ktest.pl: Change the logic to control the size of the log file emailed")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2020-11-30 16:38:41 -05:00
parent 8cd6bc0359
commit 170f4869e6
1 changed files with 6 additions and 7 deletions
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13
tools/testing/ktest/ktest.pl
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@ -1499,17 +1499,16 @@ sub dodie {
my $log_file;
if (defined($opt{"LOG_FILE"})) {
my $whence = 0; # beginning of file
my $pos = $test_log_start;
my $whence = 2; # End of file
my $log_size = tell LOG;
my $size = $log_size - $test_log_start;
if (defined($mail_max_size)) {
my $log_size = tell LOG;
$log_size -= $test_log_start;
if ($log_size > $mail_max_size) {
$whence = 2; # end of file
$pos = - $mail_max_size;
if ($size > $mail_max_size) {
$size = $mail_max_size;
}
}
my $pos = - $size;
$log_file = "$tmpdir/log";
open (L, "$opt{LOG_FILE}") or die "Can't open $opt{LOG_FILE} to read)";
open (O, "> $tmpdir/log") or die "Can't open $tmpdir/log\n";