From: Markus Elfring <[email protected]> Date: Mon, 30 Oct 2017 13:26:32 +0100
* Add a jump target so that a specific error message is stored only once at the end of this function implementation. * Replace two calls of the macro "err" by goto statements. * Adjust two condition checks. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <[email protected]> --- drivers/pci/hotplug/ibmphp_pci.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c index dc1876feb06f..25edd0b18b75 100644 --- a/drivers/pci/hotplug/ibmphp_pci.c +++ b/drivers/pci/hotplug/ibmphp_pci.c @@ -1267,20 +1267,19 @@ static int unconfigure_boot_device(u8 busno, u8 device, u8 function) size = size & 0xFFFFFFFC; size = ~size + 1; end_address = start_address + size - 1; - if (ibmphp_find_resource(bus, start_address, &io, IO) < 0) { - err("cannot find corresponding IO resource to remove\n"); - return -EIO; - } + if (ibmphp_find_resource(bus, start_address, &io, IO)) + goto report_search_failure; + debug("io->start = %x\n", io->start); temp_end = io->end; start_address = io->end + 1; ibmphp_remove_resource(io); /* This is needed b/c of the old I/O restrictions in the BIOS */ while (temp_end < end_address) { - if (ibmphp_find_resource(bus, start_address, &io, IO) < 0) { - err("cannot find corresponding IO resource to remove\n"); - return -EIO; - } + if (ibmphp_find_resource(bus, start_address, + &io, IO)) + goto report_search_failure; + debug("io->start = %x\n", io->start); temp_end = io->end; start_address = io->end + 1; @@ -1327,6 +1326,10 @@ static int unconfigure_boot_device(u8 busno, u8 device, u8 function) } /* end of for */ return 0; + +report_search_failure: + err("cannot find corresponding IO resource to remove\n"); + return -EIO; } static int unconfigure_boot_bridge(u8 busno, u8 device, u8 function) -- 2.14.3
