diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-09-28 13:41:41 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-09-28 13:41:41 +0000 |
| commit | 0afdfdf649005b50c1fffd663537b405129ae4d1 (patch) | |
| tree | 0b39935bb8aa9d5aacc570879963643f4e288227 | |
| parent | 920c52a5c80969ab0c831e56cb26971e83942f0a (diff) | |
| download | busybox-w32-0afdfdf649005b50c1fffd663537b405129ae4d1.tar.gz busybox-w32-0afdfdf649005b50c1fffd663537b405129ae4d1.tar.bz2 busybox-w32-0afdfdf649005b50c1fffd663537b405129ae4d1.zip | |
hdparm: paranoia-induced fix against theoretical div-by-0 case
| -rw-r--r-- | miscutils/hdparm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index 906dd7a0c..cb6db78cd 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c | |||
| @@ -1378,8 +1378,8 @@ static void print_timing(unsigned m, unsigned elapsed_us) | |||
| 1378 | 1378 | ||
| 1379 | printf("%5u MB in %u.%02u seconds = %u kB/s\n", | 1379 | printf("%5u MB in %u.%02u seconds = %u kB/s\n", |
| 1380 | m, sec, hs, | 1380 | m, sec, hs, |
| 1381 | /* + 1 prevents div-by-0 */ | 1381 | /* "| 1" prevents div-by-0 */ |
| 1382 | (unsigned) ((unsigned long long)m * (1024 * 1000000) / (elapsed_us + 1)) | 1382 | (unsigned) ((unsigned long long)m * (1024 * 1000000) / (elapsed_us | 1)) |
| 1383 | // ~= (m * 1024) / (elapsed_us / 1000000) | 1383 | // ~= (m * 1024) / (elapsed_us / 1000000) |
| 1384 | // = kb / elapsed_sec | 1384 | // = kb / elapsed_sec |
| 1385 | ); | 1385 | ); |