[lvc-project] [PATCH] ath11k: modify null check logic in ath11k_ce_rx_post_pipe()

[Rameshkumar Sundaram]

On 9/9/2024 8:38 PM, Mikhail Lobanov wrote:
> The previous logic in ath11k_ce_rx_post_pipe() incorrectly required both
> dest_ring and status_ring to be NULL in order to exit the function.
> This caused the function to continue even if only one of the pointers
> was NULL, potentially leading to null pointer dereferences in
> ath11k_ce_rx_buf_enqueue_pipe().
> 
> Fix the condition by modifying the logic so that the function returns
> early if either dest_ring or status_ring is NULL.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: Mikhail Lobanov <m.lobanov at rosalinux.ru>

Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram at oss.qualcomm.com>