Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:
> A possible call chain is as follow:
> mwifiex_sdio_interrupt (sdio.c)
> --> mwifiex_main_process (main.c)
> --> mwifiex_process_cmdresp (cmdevt.c)
> --> mwifiex_process_sta_cmdresp (sta_cmdresp.c)
> --> mwifiex_ret_802_11_scan (scan.c)
> --> mwifiex_parse_single_response_buf (scan.c)
>
> 'mwifiex_sdio_interrupt()' is an interrupt function.
>
> Also note that 'mwifiex_ret_802_11_scan()' already uses GFP_ATOMIC.
>
> So use GFP_ATOMIC instead of GFP_KERNEL when memory is allocated in
> 'mwifiex_parse_single_response_buf()'.
>
> Fixes: 7c6fa2a843c5 ("mwifiex: use cfg80211 dynamic scan table and cfg80211_get_bss API")
> or
> Fixes: 601216e12c65e ("mwifiex: process RX packets in SDIO IRQ thread directly")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
d2ab7f00f432 mwifiex: Do not use GFP_KERNEL in atomic context
--
https://patchwork.kernel.org/patch/11706587/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
