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path: root/drivers/net/spider_net.c
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Diffstat (limited to 'drivers/net/spider_net.c')
-rw-r--r--drivers/net/spider_net.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 15b0bcaec467..653a91adacc7 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -803,8 +803,12 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
803 unsigned long flags; 803 unsigned long flags;
804 int status; 804 int status;
805 805
806 while (chain->tail != chain->head) { 806 while (1) {
807 spin_lock_irqsave(&chain->lock, flags); 807 spin_lock_irqsave(&chain->lock, flags);
808 if (chain->tail == chain->head) {
809 spin_unlock_irqrestore(&chain->lock, flags);
810 return 0;
811 }
808 descr = chain->tail; 812 descr = chain->tail;
809 hwdescr = descr->hwdescr; 813 hwdescr = descr->hwdescr;
810 814