ide: ide_scan_pcibus(): check __pci_register_driver return value
drivers/ide/setup-pci.c: In function 'ide_scan_pcibus': drivers/ide/setup-pci.c:879: warning: ignoring return value of '__pci_register_driver', declared with attribute warn_unused_result Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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