From: Leo Kim <leo.kim@xxxxxxxxx>
This patch removes the potential faults which may happen when unexpectedly
getting access to invalid pointer. Return error when the invalid memory is
accessed.
Signed-off-by: Leo Kim <leo.kim@xxxxxxxxx>
Signed-off-by: Glen Lee <glen.lee@xxxxxxxxx>
---
drivers/staging/wilc1000/host_interface.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 62f4a8a..158d8b8 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -2384,8 +2384,10 @@ static s32 Handle_RcvdGnrlAsyncInfo(tstrWILC_WFIDrv *drvHandler,
s32 s32Err = 0;
tstrWILC_WFIDrv *pstrWFIDrv = (tstrWILC_WFIDrv *) drvHandler;
- if (pstrWFIDrv == NULL)
+ if (!pstrWFIDrv) {
PRINT_ER("Driver handler is NULL\n");
+ return -ENODEV;
+ }
PRINT_D(GENERIC_DBG, "Current State = %d,Received state = %d\n", pstrWFIDrv->enuHostIFstate,
pstrRcvdGnrlAsyncInfo->pu8Buffer[7]);
--
1.9.1
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