[PATCH] bonding: move kmalloc out of spinlock in ALB init
Move memory allocations out of the spinlock during ALB init. This gets
rid of a sleeping-inside-spinlock warning and accompanying stack dump.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 96dfb90..e8d10f3 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -198,20 +198,21 @@
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
int size = TLB_HASH_TABLE_SIZE * sizeof(struct tlb_client_info);
+ struct tlb_client_info *new_hashtbl;
int i;
spin_lock_init(&(bond_info->tx_hashtbl_lock));
- _lock_tx_hashtbl(bond);
-
- bond_info->tx_hashtbl = kmalloc(size, GFP_KERNEL);
- if (!bond_info->tx_hashtbl) {
+ new_hashtbl = kmalloc(size, GFP_KERNEL);
+ if (!new_hashtbl) {
printk(KERN_ERR DRV_NAME
": %s: Error: Failed to allocate TLB hash table\n",
bond->dev->name);
- _unlock_tx_hashtbl(bond);
return -1;
}
+ _lock_tx_hashtbl(bond);
+
+ bond_info->tx_hashtbl = new_hashtbl;
memset(bond_info->tx_hashtbl, 0, size);
@@ -800,21 +801,22 @@
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
struct packet_type *pk_type = &(BOND_ALB_INFO(bond).rlb_pkt_type);
+ struct rlb_client_info *new_hashtbl;
int size = RLB_HASH_TABLE_SIZE * sizeof(struct rlb_client_info);
int i;
spin_lock_init(&(bond_info->rx_hashtbl_lock));
- _lock_rx_hashtbl(bond);
-
- bond_info->rx_hashtbl = kmalloc(size, GFP_KERNEL);
- if (!bond_info->rx_hashtbl) {
+ new_hashtbl = kmalloc(size, GFP_KERNEL);
+ if (!new_hashtbl) {
printk(KERN_ERR DRV_NAME
": %s: Error: Failed to allocate RLB hash table\n",
bond->dev->name);
- _unlock_rx_hashtbl(bond);
return -1;
}
+ _lock_rx_hashtbl(bond);
+
+ bond_info->rx_hashtbl = new_hashtbl;
bond_info->rx_hashtbl_head = RLB_NULL_INDEX;