riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #5298 from cgundogan/pr/cib/cib_get_check_fix

Browse Source 
cib: check (write > read) explicitly
This commit is contained in:
Martine Lenders 2016-05-17 23:02:13 +02:00
commit 15130e8674
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
core/include/cib.h
View File

@ -79,9 +79,7 @@ static inline unsigned int cib_avail(cib_t *__restrict cib)
*/ */
static inline int cib_get(cib_t *__restrict cib) static inline int cib_get(cib_t *__restrict cib)
{ {
unsigned int avail = cib_avail(cib); if (cib->write_count > cib->read_count) {
if (avail > 0) {
return (int) (cib->read_count++ & cib->mask); return (int) (cib->read_count++ & cib->mask);
} }