From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 6 Nov 2015 10:01:20 +0000 (+0300)
Subject: ath9k_htc: check for underflow in ath9k_htc_rx_msg()
X-Git-Tag: v3.2.77~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=636109645fa424fd896db9f25ddfd39a6cdc110f;p=pandora-kernel.git

ath9k_htc: check for underflow in ath9k_htc_rx_msg()

commit 3a318426e09a9c9266fe6440842e11238f640a20 upstream.

We check for overflow here, but we don't check for underflow so it
causes a static checker warning.

Fixes: fb9987d0f748 ('ath9k_htc: Support for AR9271 chipset.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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