Re: [PATCH v2 1/2] nfc: llcp: avoid double release/put on LLCP_CLOSED in nfc_llcp_recv_disc()

[Krzysztof Kozlowski]

On 17/12/2025 13:57, Qianchang Zhao wrote:
> nfc_llcp_sock_get() takes a reference on the LLCP socket via sock_hold().
> 
> In nfc_llcp_recv_disc(), when the socket is already in LLCP_CLOSED state, the
> code used to perform release_sock() and nfc_llcp_sock_put() in the CLOSED branch
> but then continued execution and later performed the same cleanup again on the
> common exit path. This results in refcount imbalance (double put) and unbalanced
> lock release.
> 
> Remove the redundant CLOSED-branch cleanup so that release_sock() and
> nfc_llcp_sock_put() are performed exactly once via the common exit path, while
> keeping the existing DM_DISC reply behavior.
> 
> Fixes: d646960f7986fefb460a2b062d5ccc8ccfeacc3a ("NFC: Initial LLCP support")
> Cc: stable@xxxxxxxxxxxxxxx

NAK, stop sending the same again and again. Respond to previous emails.

Best regards,
Krzysztof