Patch "nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfc-nci-fix-handling-of-zero-length-payload-packets-.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 479a9c4172f38764f0c7338a7f7635a50b123008
Author: Ryosuke Yasuoka <ryasuoka@xxxxxxxxxx>
Date:   Wed May 22 00:34:42 2024 +0900

    nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()
    
    [ Upstream commit 6671e352497ca4bb07a96c48e03907065ff77d8a ]
    
    When nci_rx_work() receives a zero-length payload packet, it should not
    discard the packet and exit the loop. Instead, it should continue
    processing subsequent packets.
    
    Fixes: d24b03535e5e ("nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet")
    Signed-off-by: Ryosuke Yasuoka <ryasuoka@xxxxxxxxxx>
    Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
    Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20240521153444.535399-1-ryasuoka@xxxxxxxxxx
    Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index ebf1b511d8e3b..58ac4c80495ef 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -1514,8 +1514,7 @@ static void nci_rx_work(struct work_struct *work)
 
 		if (!nci_valid_size(skb)) {
 			kfree_skb(skb);
-			kcov_remote_stop();
-			break;
+			continue;
 		}
 
 		/* Process frame */




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