mac80211: Don't sleep when growing the mesh path
After commit 1928ecab620907a0953f811316d05f367f3f4dba (mac80211: fix and
simplify mesh locking) mesh table allocation is performed with the
pathtbl_resize_lock taken. Under those conditions one should not sleep.
This patch makes the allocations GFP_ATOMIC to prevent that.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 2bda0ac..51f6fe8 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -76,12 +76,12 @@
int i;
struct mesh_table *newtbl;
- newtbl = kmalloc(sizeof(struct mesh_table), GFP_KERNEL);
+ newtbl = kmalloc(sizeof(struct mesh_table), GFP_ATOMIC);
if (!newtbl)
return NULL;
newtbl->hash_buckets = kzalloc(sizeof(struct hlist_head) *
- (1 << size_order), GFP_KERNEL);
+ (1 << size_order), GFP_ATOMIC);
if (!newtbl->hash_buckets) {
kfree(newtbl);
@@ -89,7 +89,7 @@
}
newtbl->hashwlock = kmalloc(sizeof(spinlock_t) *
- (1 << size_order), GFP_KERNEL);
+ (1 << size_order), GFP_ATOMIC);
if (!newtbl->hashwlock) {
kfree(newtbl->hash_buckets);
kfree(newtbl);