Use NULL as default value for pointer type
Using zero there is confusing since it's a pointer to an integer.
Change-Id: Ief2368954c71005c529e3eea3fee5df2630e44c1
diff --git a/src/gprs_rlcmac_ts_alloc.cpp b/src/gprs_rlcmac_ts_alloc.cpp
index 4c68a87..6b34418 100644
--- a/src/gprs_rlcmac_ts_alloc.cpp
+++ b/src/gprs_rlcmac_ts_alloc.cpp
@@ -147,7 +147,7 @@
*/
static int find_least_busy_pdch(const struct gprs_rlcmac_trx *trx, enum gprs_rlcmac_tbf_direction dir, uint8_t mask,
int (*fn)(const struct gprs_rlcmac_pdch *, enum gprs_rlcmac_tbf_direction dir),
- int *free_tfi = 0, int *free_usf = 0)
+ int *free_tfi = NULL, int *free_usf = NULL)
{
unsigned ts;
int min_used = INT_MAX;