Fix kernel panic on device removal

slaclab · Jul 23, 2024 · e8480d5 · e8480d5
1 parent f91ad1a
commit e8480d5
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/data_gpu/driver/src/data_gpu_top.c b/data_gpu/driver/src/data_gpu_top.c
@@ -310,12 +310,12 @@ void DataGpu_Remove(struct pci_dev *pcidev) {
    /* Decrement the global count of DMA devices. */
    gDmaDevCount--;
 
-   /* Disable the PCI device to prevent further access. */
-   pci_disable_device(pcidev);
-
    /* Clean up DMA resources specific to this device. */
    Dma_Clean(dev);
 
+   /* Disable the PCI device to prevent further access. */
+   pci_disable_device(pcidev);
+
    /* Log the successful removal of the device. */
    pr_info("%s: Remove: Driver is unloaded.\n", MOD_NAME);
 }