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[INET]: Use BUILD_BUG_ON in inet_timewait_sock.c checks 

Make the INET_TWDR_TWKILL_SLOTS vs sizeof(twdr->thread_slots)
check nicer.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-12-11 02:12:36 -08:00 committed by David S. Miller
parent 1f9e636ea2
commit 95c9382a34
1 changed files with 2 additions and 4 deletions
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6
net/ipv4/inet_timewait_sock.c
View File

@ -194,16 +194,14 @@ out:
EXPORT_SYMBOL_GPL(inet_twdr_hangman);
extern void twkill_slots_invalid(void);
void inet_twdr_twkill_work(struct work_struct *work)
{
struct inet_timewait_death_row *twdr =
container_of(work, struct inet_timewait_death_row, twkill_work);
int i;
if ((INET_TWDR_TWKILL_SLOTS - 1) > (sizeof(twdr->thread_slots) * 8))
twkill_slots_invalid();
BUILD_BUG_ON((INET_TWDR_TWKILL_SLOTS - 1) >
(sizeof(twdr->thread_slots) * 8));
while (twdr->thread_slots) {
spin_lock_bh(&twdr->death_lock);