A new buffer for a packet is created when a icmp packet is received.
This happens in a context with disabled irq. Thus we are not allowed to
sleep or call function which might sleep. kmalloc must be called with
GFP_ATOMIC instead of GFP_KERNEL to ensure that it does not sleep.
Signed-off-by: Sven Eckelmann <sven.eckelmann(a)gmx.de>
drivers/staging/batman-adv/device.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index ad82ec4..7eb6559 100644
@@ -309,7 +309,7 @@ void bat_device_add_packet(struct device_client *device_client,
struct device_packet *device_packet;
unsigned long flags;
- device_packet = kmalloc(sizeof(struct device_packet), GFP_KERNEL);
+ device_packet = kmalloc(sizeof(struct device_packet), GFP_ATOMIC);