bnx2x: Remove on-stack napi struct variable

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index e9a91a3..13dad92 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -79,19 +79,21 @@ static inline void bnx2x_bz_fp(struct bnx2x *bp, int index)
  * @to:                destination FP index
  *
  * Makes sure the contents of the bp->fp[to].napi is kept
- * intact.
+ * intact. This is done by first copying the napi struct from
+ * the target to the source, and then mem copying the entire
+ * source onto the target
  */
 static inline void bnx2x_move_fp(struct bnx2x *bp, int from, int to)
 {
        struct bnx2x_fastpath *from_fp = &bp->fp[from];
        struct bnx2x_fastpath *to_fp = &bp->fp[to];
-       struct napi_struct orig_napi = to_fp->napi;
+
+       /* Copy the NAPI object as it has been already initialized */
+       from_fp->napi = to_fp->napi;
+
        /* Move bnx2x_fastpath contents */
        memcpy(to_fp, from_fp, sizeof(*to_fp));
        to_fp->index = to;
-
-       /* Restore the NAPI object as it has been already initialized */
-       to_fp->napi = orig_napi;
 }
 
 int load_count[2][3] = { {0} }; /* per-path: 0-common, 1-port0, 2-port1 */