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[04/10] wil6210: pmc logger bug fix

Message ID 1443943407-6663-5-git-send-email-qca_vkondrat@qca.qualcomm.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Vladimir Kondratiev Oct. 4, 2015, 7:23 a.m. UTC 
From: Vladimir Shulman <QCA_shulmanv@QCA.qualcomm.com>

When allocating pmc descriptor, the structure is
initially created on stack and later copied to
the physical ring (device) memory. The descriptor
structure must be initialized to zero to avoid
garbage configuration, which may result in pmc
mechanism malfunctioning.

Signed-off-by: Vladimir Shulman <QCA_shulmanv@QCA.qualcomm.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
---
 drivers/net/wireless/ath/wil6210/pmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/ath/wil6210/pmc.c b/drivers/net/wireless/ath/wil6210/pmc.c
index 8a8cdc6..5ca0307 100644
--- a/drivers/net/wireless/ath/wil6210/pmc.c
+++ b/drivers/net/wireless/ath/wil6210/pmc.c
@@ -110,7 +110,7 @@  void wil_pmc_alloc(struct wil6210_priv *wil,
 	 */
 	for (i = 0; i < num_descriptors; i++) {
 		struct vring_tx_desc *_d = &pmc->pring_va[i];
-		struct vring_tx_desc dd, *d = &dd;
+		struct vring_tx_desc dd = {}, *d = &dd;
 		int j = 0;
 
 		pmc->descriptors[i].va = dma_alloc_coherent(dev,