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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-09-28 13:41:41 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-09-28 13:41:41 +0000
commit0afdfdf649005b50c1fffd663537b405129ae4d1 (patch)
tree0b39935bb8aa9d5aacc570879963643f4e288227 /miscutils
parent920c52a5c80969ab0c831e56cb26971e83942f0a (diff)
downloadbusybox-0afdfdf649005b50c1fffd663537b405129ae4d1.tar.gz
busybox-0afdfdf649005b50c1fffd663537b405129ae4d1.tar.bz2
hdparm: paranoia-induced fix against theoretical div-by-0 case
Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/hdparm.c4
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)
printf("%5u MB in %u.%02u seconds = %u kB/s\n",
m, sec, hs,
- /* + 1 prevents div-by-0 */
- (unsigned) ((unsigned long long)m * (1024 * 1000000) / (elapsed_us + 1))
+ /* "| 1" prevents div-by-0 */
+ (unsigned) ((unsigned long long)m * (1024 * 1000000) / (elapsed_us | 1))
// ~= (m * 1024) / (elapsed_us / 1000000)
// = kb / elapsed_sec
);