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| author | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
| commit | 2e00fde5c6ed8535244332ebb55e881baa54ae46 (patch) | |
| tree | f578e02ef1dc6e59630f09404bb2f58500876811 /kernel/locking/qspinlock_stat.h | |
| parent | ALSA: hda - Clarify CONFIG_SND_HDA_RECONFIG usages (diff) | |
| parent | ALSA: hda - Fix subwoofer pin on ASUS N751 and N551 (diff) | |
| download | linux-2e00fde5c6ed8535244332ebb55e881baa54ae46.tar.xz linux-2e00fde5c6ed8535244332ebb55e881baa54ae46.zip | |
Merge branch 'for-linus' into for-next
Diffstat (limited to 'kernel/locking/qspinlock_stat.h')
| -rw-r--r-- | kernel/locking/qspinlock_stat.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/locking/qspinlock_stat.h b/kernel/locking/qspinlock_stat.h index eb2a2c9bc3fc..d734b7502001 100644 --- a/kernel/locking/qspinlock_stat.h +++ b/kernel/locking/qspinlock_stat.h @@ -136,10 +136,12 @@ static ssize_t qstat_read(struct file *file, char __user *user_buf, } if (counter == qstat_pv_hash_hops) { - u64 frac; + u64 frac = 0; - frac = 100ULL * do_div(stat, kicks); - frac = DIV_ROUND_CLOSEST_ULL(frac, kicks); + if (kicks) { + frac = 100ULL * do_div(stat, kicks); + frac = DIV_ROUND_CLOSEST_ULL(frac, kicks); + } /* * Return a X.XX decimal number |