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Commit 7770ea4a authored by Mohammed Javid's avatar Mohammed Javid
Browse files

msm: ipa: Fix unlock spinlock in failed condition 



'Commit id I427374ef44 ("msm: ipa: Fix race condition
head_desc_list variable access")' broke unlock spinlock
in failed scenarios. Added changes to fix the issue.

Change-Id: I0f7dddfa7a583a8ebd8c1e6a610ab204726d5bc1
Acked-by: default avatarAshok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent 46746922

drivers/platform/msm/ipa/ipa_v2/ipa_dp.c

+2 −0
Original line number Diff line number Diff line
@@ -2985,6 +2985,7 @@ static void ipa_wq_rx_common(struct ipa_sys_context *sys, u32 size) 
	spin_lock_bh(&sys->spinlock);

	if (unlikely(list_empty(&sys->head_desc_list))) {

		WARN_ON(1);

		spin_unlock_bh(&sys->spinlock);

		return;

	}

	rx_pkt_expected = list_first_entry(&sys->head_desc_list,
@@ -3016,6 +3017,7 @@ static void ipa_wlan_wq_rx_common(struct ipa_sys_context *sys, u32 size) 
	spin_lock_bh(&sys->spinlock);

	if (unlikely(list_empty(&sys->head_desc_list))) {

		WARN_ON(1);

		spin_unlock_bh(&sys->spinlock);

		return;

	}

	rx_pkt_expected = list_first_entry(&sys->head_desc_list,