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path: root/drivers/virtio/virtio_mmio.c
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Diffstat (limited to 'drivers/virtio/virtio_mmio.c')
-rw-r--r--drivers/virtio/virtio_mmio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 9d16aaffca9d..627ac0487494 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -641,11 +641,11 @@ static int vm_cmdline_set(const char *device,
&vm_cmdline_id, &consumed);
/*
- * sscanf() must processes at least 2 chunks; also there
+ * sscanf() must process at least 2 chunks; also there
* must be no extra characters after the last chunk, so
* str[consumed] must be '\0'
*/
- if (processed < 2 || str[consumed])
+ if (processed < 2 || str[consumed] || irq == 0)
return -EINVAL;
resources[0].flags = IORESOURCE_MEM;