| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.0 05/95] staging: wilc1000: Avoid GFP_KERNEL allocation from atomic context. | Date | Thu, 9 May 2019 20:41:22 +0200 |
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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
commit ae26aa844679cdf660e12c7055f958cb90889eb6 upstream.
Since wilc_set_multicast_list() is called with dev->addr_list_lock spinlock held, we can't use GFP_KERNEL memory allocation.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Fixes: e624c58cf8eb ("staging: wilc1000: refactor code to avoid use of wilc_set_multicast_list global") Cc: Ajay Singh <ajay.kathat@microchip.com> Reviewed-by: Adham Abozaeid <adham.abozaeid@microchip.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/staging/wilc1000/linux_wlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -816,7 +816,7 @@ static void wilc_set_multicast_list(stru return; } - mc_list = kmalloc_array(dev->mc.count, ETH_ALEN, GFP_KERNEL); + mc_list = kmalloc_array(dev->mc.count, ETH_ALEN, GFP_ATOMIC); if (!mc_list) return;
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