From cb771838715b1c470bc5735bdae709b33b18e0ad Mon Sep 17 00:00:00 2001 From: Tim Gardner Date: Wed, 20 Apr 2011 09:00:49 +0000 Subject: atl1c: Fix work event interrupt/task races The mechanism used to initiate work events from the interrupt handler has a classic read/modify/write race between the interrupt handler that sets the condition, and the worker task that reads and clears the condition. Close these races by using atomic bit fields. Cc: stable@kernel.org Cc: Jie Yang Signed-off-by: Tim Gardner Signed-off-by: David S. Miller --- drivers/net/atl1c/atl1c.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net/atl1c/atl1c.h') diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h index 7cb375e0e29c..925929d764ca 100644 --- a/drivers/net/atl1c/atl1c.h +++ b/drivers/net/atl1c/atl1c.h @@ -566,9 +566,9 @@ struct atl1c_adapter { #define __AT_TESTING 0x0001 #define __AT_RESETTING 0x0002 #define __AT_DOWN 0x0003 - u8 work_event; -#define ATL1C_WORK_EVENT_RESET 0x01 -#define ATL1C_WORK_EVENT_LINK_CHANGE 0x02 + unsigned long work_event; +#define ATL1C_WORK_EVENT_RESET 0 +#define ATL1C_WORK_EVENT_LINK_CHANGE 1 u32 msg_enable; bool have_msi; -- cgit v1.2.3