net/iavf: fix endless loop

Change loop index from uint16_t to uint32_t since max
index 65535 could be exceeded when ring size is 2k+.

Fixes: 69dd4c3d0898 ("net/avf: enable queue and device")
Cc: stable@dpdk.org
Reported-by: Lei Yao <lei.a.yao@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index d8eb6d2..22d7bb6 100644 (file)
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -144,7 +144,8 @@ check_rx_bulk_allow(struct iavf_rx_queue *rxq)
 static inline void
 reset_rx_queue(struct iavf_rx_queue *rxq)
 {
-       uint16_t len, i;
+       uint16_t len;
+       uint32_t i;
 
        if (!rxq)
                return;
@@ -174,7 +175,8 @@ static inline void
 reset_tx_queue(struct iavf_tx_queue *txq)
 {
        struct iavf_tx_entry *txe;
-       uint16_t i, prev, size;
+       uint32_t i, size;
+       uint16_t prev;
 
        if (!txq) {
                PMD_DRV_LOG(DEBUG, "Pointer to txq is NULL");