batman-adv: Reduce usage of char
char was used in different places to store information without really
using the characteristics of that data type or by ignoring the fact that
char has not a well defined signedness.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h
index 277c037..9c04422 100644
--- a/net/batman-adv/bitarray.h
+++ b/net/batman-adv/bitarray.h
@@ -35,8 +35,8 @@
/* receive and process one packet, returns 1 if received seq_num is considered
* new, 0 if old */
-char bit_get_packet(void *priv, unsigned long *seq_bits,
- int32_t seq_num_diff, int8_t set_mark);
+int bit_get_packet(void *priv, unsigned long *seq_bits,
+ int32_t seq_num_diff, int set_mark);
/* count the hamming weight, how many good packets did we receive? */
int bit_packet_count(const unsigned long *seq_bits);