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staging: gpib: cec: Handle gpib_register_driver() errors

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The function gpib_register_driver() can fail and result in a
semi-registered module and does not return an error value if it
fails.

Unregister the pci registering function in case gpib_register_driver()
fails and return the error value. Add pr_err() statements indicating the
fail and also the error value.

Signed-off-by: Nihar Chaithanya <niharchaithanya@gmail.com>
Link: https://lore.kernel.org/r/20241230185633.175690-6-niharchaithanya@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nihar Chaithanya 2024-12-31 00:26:25 +05:30 committed by Greg Kroah-Hartman
parent 65aff9b75b
commit f07296bc75
1 changed files with 6 additions and 2 deletions
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8
drivers/staging/gpib/cec/cec_gpib.c
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@ -365,11 +365,15 @@ static int __init cec_init_module(void)
result = pci_register_driver(&cec_pci_driver);
if (result) {
pr_err("cec_gpib: pci_driver_register failed!\n");
pr_err("cec_gpib: pci_register_driver failed: error = %d\n", result);
return result;
}
gpib_register_driver(&cec_pci_interface, THIS_MODULE);
result = gpib_register_driver(&cec_pci_interface, THIS_MODULE);
if (result) {
pr_err("cec_gpib: gpib_register_driver failed: error = %d\n", result);
return result;
}
return 0;
}