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  1. CIFX Driver for Linux
  2. NXDRVLINUX-74

cifXDriverDeinit() does not unmap DMA memory

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: V1.1.0.0, V1.1.1.0, V1.1.2.0
    • Fix Version/s: V1.1.3.0, V1.1.4.0
    • Component/s: Linux Driver
    • Labels:
      None
    • Account:
      SDO Driver (SDODRIVER)

      Description

      cifXDriverDeinit() does not unmap the DMA memory which was mapped in cifXDriverInit(). Depending on the system resources and the API usage, subsequent calls to cifXDriverInit() & cifXDriverDeinit() within a single application may lead driver initialization error because of missing resources.

      Workaround:

      After application shutdown the reosurces will be freed anyway, so prevent subsequent calls of cifXDriverInit() & cifXDriverDeinit() in a single application.

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                • Reporter:
                  SDoell Sebastian Döll
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                  • Created:
                    Updated:
                    Resolved: