probe error code -17

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Hello,

I am developing a driver for one of our PCIe based boards. When I install the first time, all the four input channels on the card are correctly enumerated in dmesg. When I uninstall the driver, I get no error messages. However, when I load the driver the second time, I get the following errors in dmesg:

sdim_qie: SDI Q/i detected, firmware version 0.1 (0x0001)
sdim_qie: unable to register class_device
sdim_qie: probe of 0000:02:04.0 failed with error -17

It goes through the correct loop, detects the card and reads the firmware version correctly and fails to enumerate the channels.

Can anybody tell me what this error code -17 points to?

Thanks much.

Regards,

Dinesh


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