mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
hv_netvsc: Fix dereference of nvdev before check
Passes static analysis by Smatch. Signed-off-by: Andrew Schwartzmeyer <andschwa@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
2d79849903
commit
954591b9f3
@ -777,14 +777,17 @@ static int netvsc_set_channels(struct net_device *net,
|
||||
struct hv_device *dev = net_device_ctx->device_ctx;
|
||||
struct netvsc_device *nvdev = hv_get_drvdata(dev);
|
||||
struct netvsc_device_info device_info;
|
||||
const u32 num_chn = nvdev->num_chn;
|
||||
const u32 max_chn = min_t(u32, nvdev->max_chn, num_online_cpus());
|
||||
u32 num_chn;
|
||||
u32 max_chn;
|
||||
int ret = 0;
|
||||
bool recovering = false;
|
||||
|
||||
if (!nvdev || nvdev->destroy)
|
||||
return -ENODEV;
|
||||
|
||||
num_chn = nvdev->num_chn;
|
||||
max_chn = min_t(u32, nvdev->max_chn, num_online_cpus());
|
||||
|
||||
if (nvdev->nvsp_version < NVSP_PROTOCOL_VERSION_5) {
|
||||
pr_info("vRSS unsupported before NVSP Version 5\n");
|
||||
return -EINVAL;
|
||||
|
Loading…
Reference in New Issue
Block a user