From: Erik Stromdahl <erik.stromdahl@gmail.com>
Date: Fri, 19 Apr 2019 07:29:06 +0000 (+0300)
Subject: ath10k: sdio: add missing error check
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f91b63b0e3b22f3688fd6b352128c3e0e40d02b4;p=openwrt%2Fstaging%2Fblogic.git

ath10k: sdio: add missing error check

Although not likely, the bundle allocation might fail.
Add proper error check and warning print.

Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index d5073fac9509..30102090e282 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -584,6 +584,11 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar,
 								act_len,
 								&bndl_cnt);
 
+			if (ret) {
+				ath10k_warn(ar, "alloc_bundle error %d\n", ret);
+				goto err;
+			}
+
 			n_lookaheads += bndl_cnt;
 			i += bndl_cnt;
 			/*Next buffer will be the last in the bundle */