vhost: fix error handling for memory region alloc
callers of vhost_kvzalloc() expect the same behaviour on
allocation error as from kmalloc/vmalloc i.e. NULL return
value. So just return vzmalloc() returned value instead of
returning ERR_PTR(-ENOMEM)
Fixes: 4de7255f7d
("vhost: extend memory regions allocation to vmalloc")
Spotted-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
parent
7932c0bd77
commit
1e0994730f
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@ -683,11 +683,8 @@ static void *vhost_kvzalloc(unsigned long size)
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{
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void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
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if (!n) {
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n = vzalloc(size);
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if (!n)
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return ERR_PTR(-ENOMEM);
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}
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n = vzalloc(size);
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return n;
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}
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