X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=mm%2Fdmapool.c;h=3df063706f53e6d579ec0acabace3503a471ba29;hb=3ff99164f67aae78a2bd2313f65ad55bddb1ffea;hp=b1f0885dda2275b09baa7d82205f6529efd093b1;hpb=a177ba3b7a08beef3f0fe74efa0f90701891945a;p=mv-sheeva.git

diff --git a/mm/dmapool.c b/mm/dmapool.c
index b1f0885dda2..3df063706f5 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -86,10 +86,12 @@ show_pools(struct device *dev, struct device_attribute *attr, char *buf)
 		unsigned pages = 0;
 		unsigned blocks = 0;
 
+		spin_lock_irq(&pool->lock);
 		list_for_each_entry(page, &pool->page_list, page_list) {
 			pages++;
 			blocks += page->in_use;
 		}
+		spin_unlock_irq(&pool->lock);
 
 		/* per-pool info, no real statistics yet */
 		temp = scnprintf(next, size, "%-16s %4u %4Zu %4Zu %2u\n",