4.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Anilkumar Kolli <ako...@qti.qualcomm.com>

commit 9ddc486aa09a3413a6c492fcf160ce61bfccb7b1 upstream.

It is observed that, we are disabling the packet log if we write same
value to the pktlog_filter for the second time. Always enable pktlogs
on non zero filter.

Fixes: 90174455ae05 ("ath10k: add support to configure pktlog filter")
Signed-off-by: Anilkumar Kolli <ako...@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kv...@qca.qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/net/wireless/ath/ath10k/debug.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -2011,7 +2011,12 @@ static ssize_t ath10k_write_pktlog_filte
                goto out;
        }
 
-       if (filter && (filter != ar->debug.pktlog_filter)) {
+       if (filter == ar->debug.pktlog_filter) {
+               ret = count;
+               goto out;
+       }
+
+       if (filter) {
                ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
                if (ret) {
                        ath10k_warn(ar, "failed to enable pktlog filter %x: 
%d\n",


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