drivers/net: Use RCU_INIT_POINTER(x, NULL) in tun.c
authorMonam Agarwal <monamagarwal123@gmail.com>
Sun, 23 Mar 2014 18:32:32 +0000 (00:02 +0530)
committerDavid S. Miller <davem@davemloft.net>
Thu, 27 Mar 2014 04:18:09 +0000 (00:18 -0400)
commitc956674b7c89e7992a09df309a9f226f02733421
tree0763a326457ca49fafa6c4fb84ee3517bb1efeb1
parent8800a244fa1ab75192cf65ecf8e3ca3ec1420b1b
drivers/net: Use RCU_INIT_POINTER(x, NULL) in tun.c

This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)

The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.
And in the case of the NULL pointer, there is no structure to initialize.
So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)

Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tun.c