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batman-adv: convert bat_priv->tt_crc from atomic_t to uint16_t

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In the code we neever need to atomically check and set the bat_priv->tt_crc
field value. It is simply set and read once in different pieces of the code.
Therefore this field can be safely be converted from atomic_t to uint16_t.

Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Antonio Quartulli
2012-04-14 13:15:26 +02:00
parent 5d52dad27a
commit 66a1b2bcb3
3 changed files with 3 additions and 4 deletions
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net/batman-adv/types.h
+1 -1
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@@ -210,7 +210,7 @@ struct bat_priv {
spinlock_t vis_list_lock; /* protects vis_info::recv_list */
atomic_t num_local_tt;
/* Checksum of the local table, recomputed before sending a new OGM */
atomic_t tt_crc;
uint16_t tt_crc;
unsigned char *tt_buff;
int16_t tt_buff_len;
spinlock_t tt_buff_lock; /* protects tt_buff */