mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-19 22:16:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix array underrun when calculating velocity

Browse source 
That code is messy. And it was buggy. Noticed by valgrind.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-09-21 08:29:08 -07:00
parent 74988c86de
commit fcc7a01c6e
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
profile.c
View file

@ -620,7 +620,7 @@ static struct plot_info *analyze_plot_info(struct plot_info *pi)
/* if our samples are short and we aren't too FAST*/
if (entry[0].sec - entry[-1].sec < 30 && entry->velocity < FAST) {
int past = -2;
while (pi->entry <= entry-past && entry[0].sec - entry[past].sec < 30)
while (i+past > 0 && entry[0].sec - entry[past].sec < 30)
past--;
entry->velocity = velocity((entry[0].val - entry[past].val) /
(entry[0].sec - entry[past].sec));