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authorGreg Thelen <gthelen@google.com>2011-04-17 08:20:32 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2011-05-10 15:43:36 -0700
commit34e3207205ef492451cc5c53694d4772a9728b9f (patch)
tree342c517ddb92fd18ea823f9f194447b96846c441 /kernel/mutex-debug.h
parentd97ecd819137118b4686a753415f93215a6edacf (diff)
PCI: handle positive error codes
Callers expect pci_user_{read,write}_config_*() to indicate errors by returning negative values. Prior to this change, the indicated routines could return positive error codes (e.g. PCIBIOS_BAD_REGISTER_NUMBER) which callers would mistakenly interpret as success. This change converts any non-zero return from the mentioned routines into unambiguous negative value return codes. Signed-off-by: Greg Thelen <gthelen@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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