From: Xinming Hu <[email protected]>

This patch includes below changes
1) Check if multiport aggregation feature flag while doing rx
length validation check.
2) Reset buffer size variables when buffers are freed.

Signed-off-by: Xinming Hu <[email protected]>
Signed-off-by: Amitkumar Karwar <[email protected]>
---
 drivers/net/wireless/mwifiex/sdio.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/sdio.c 
b/drivers/net/wireless/mwifiex/sdio.c
index 5d05c6f..d35210c 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1606,8 +1606,9 @@ static int mwifiex_process_int_status(struct 
mwifiex_adapter *adapter)
                                (rx_len + MWIFIEX_SDIO_BLOCK_SIZE -
                                 1) / MWIFIEX_SDIO_BLOCK_SIZE;
                        if (rx_len <= INTF_HEADER_LEN ||
-                           (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
-                            card->mpa_rx.buf_size) {
+                           (card->mpa_rx.enabled &&
+                            ((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
+                             card->mpa_rx.buf_size))) {
                                mwifiex_dbg(adapter, ERROR,
                                            "invalid rx_len=%d\n",
                                            rx_len);
@@ -1925,6 +1926,8 @@ error:
        if (ret) {
                kfree(card->mpa_tx.buf);
                kfree(card->mpa_rx.buf);
+               card->mpa_tx.buf_size = 0;
+               card->mpa_rx.buf_size = 0;
        }
 
        return ret;
-- 
1.8.1.4

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