airo: Fix array bounds warning when moving packet payload.

drivers/net/wireless/airo.c: In function ‘encapsulate’:
drivers/net/wireless/airo.c:1421:15: warning: array subscript is above array bounds [-Warray-bounds]
drivers/net/wireless/airo.c: In function ‘decapsulate’:
drivers/net/wireless/airo.c:1509:16: warning: array subscript is above array bounds [-Warray-bounds]

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index ac1176a..1c008c6 100644 (file)
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -1418,7 +1418,7 @@ static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, i
        emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA
        emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap
        emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ
-       emmh32_update(&context->seed,frame->da + ETH_ALEN * 2,payLen); //payload
+       emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload
        emmh32_final(&context->seed, (u8*)&mic->mic);
 
        /*    New Type/length ?????????? */
@@ -1506,7 +1506,7 @@ static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16
                emmh32_update(&context->seed, eth->da, ETH_ALEN*2); 
                emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); 
                emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq));        
-               emmh32_update(&context->seed, eth->da + ETH_ALEN*2,payLen);     
+               emmh32_update(&context->seed, (u8 *)(eth + 1),payLen);  
                //Calculate MIC
                emmh32_final(&context->seed, digest);