diff options
| author |   Michael Kelley <mikelley@microsoft.com> | 2023-02-06 12:11:57 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2023-02-07 20:39:26 -0800 |
| commit | c6aa9d3b43cd11ac13a8220368a3b0483c6751d4 (patch) | |
| tree | 4590299752014ef31564a09ae7356bc4fb1a3dd6 /drivers/net/hyperv | |
| parent | devlink: change port event netdev notifier from per-net to global (diff) | |
| download | wireguard-linux-c6aa9d3b43cd11ac13a8220368a3b0483c6751d4.tar.xz wireguard-linux-c6aa9d3b43cd11ac13a8220368a3b0483c6751d4.zip | |
hv_netvsc: Allocate memory in netvsc_dma_map() with GFP_ATOMIC
Memory allocations in the network transmit path must use GFP_ATOMIC
so they won't sleep.
Reported-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/lkml/8a4d08f94d3e6fe8b6da68440eaa89a088ad84f9.camel@redhat.com/
Fixes: 846da38de0e8 ("net: netvsc: Add Isolation VM support for netvsc driver")
Cc: stable@vger.kernel.org
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1675714317-48577-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index e02d1e3ef672..79f4e13620a4 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -1034,7 +1034,7 @@ static int netvsc_dma_map(struct hv_device *hv_dev, packet->dma_range = kcalloc(page_count, sizeof(*packet->dma_range), - GFP_KERNEL); + GFP_ATOMIC); if (!packet->dma_range) return -ENOMEM; |