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authorScott Feldman <sfeldma@gmail.com>2015-03-16 09:04:46 +0300
committerDavid S. Miller <davem@davemloft.net>2015-03-16 22:56:36 +0300
commit04f49faf70d4c056cd6576ff0614bb54e7a70bbc (patch)
tree3491cfb14f4fb8636eea6979a8163dbf7aff8dcc /drivers
parentb35f504a0c2631d57ebbb5b5b85a9055f62dce88 (diff)
downloadlinux-04f49faf70d4c056cd6576ff0614bb54e7a70bbc.tar.xz
rocker: replace fixed stack allocation with dynamic allocation
In hast to fix some sparse warning, I hard-coded a fix-sized array on the stack which is probably too big for kernel standards. Fix this by converting array to dynamic allocation. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Acked-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/rocker/rocker.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index bc5f27aa3131..2511ae22ccd8 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -2955,11 +2955,16 @@ static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port,
struct rocker_port *p;
struct rocker *rocker = rocker_port->rocker;
u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0);
- u32 group_ids[ROCKER_FP_PORTS_MAX];
+ u32 *group_ids;
u8 group_count = 0;
- int err;
+ int err = 0;
int i;
+ group_ids = kcalloc(rocker->port_count, sizeof(u32),
+ rocker_op_flags_gfp(flags));
+ if (!group_ids)
+ return -ENOMEM;
+
/* Adjust the flood group for this VLAN. The flood group
* references an L2 interface group for each port in this
* VLAN.
@@ -2977,7 +2982,7 @@ static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port,
/* If there are no bridged ports in this VLAN, we're done */
if (group_count == 0)
- return 0;
+ goto no_ports_in_vlan;
err = rocker_group_l2_flood(rocker_port, flags, vlan_id,
group_count, group_ids,
@@ -2986,6 +2991,8 @@ static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port,
netdev_err(rocker_port->dev,
"Error (%d) port VLAN l2 flood group\n", err);
+no_ports_in_vlan:
+ kfree(group_ids);
return err;
}