| Message ID | 20180920050426.4113-2-govinds@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] ath10k: Move napi_enable to hif_start for consistent pairing | expand |
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index dd043b858c8e..6da951eea345 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -911,9 +911,9 @@ static void ath10k_snoc_buffer_cleanup(struct ath10k *ar) static void ath10k_snoc_hif_stop(struct ath10k *ar) { ath10k_snoc_irq_disable(ar); - ath10k_snoc_buffer_cleanup(ar); napi_synchronize(&ar->napi); napi_disable(&ar->napi); + ath10k_snoc_buffer_cleanup(ar); ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n"); }
CE buffers are cleaned up prior to napi disable and this is causing NULL pointer dereference due to "use after free". Disable napi before resource cleanup to avoid "use after free". Signed-off-by: Govind Singh <govinds@codeaurora.org> --- drivers/net/wireless/ath/ath10k/snoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)