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dmar: fix uninitialised 'ret' variable in dmar_parse_dev() 

This was introduced by commit 1886e8a90a
("x64, x2apic/intr-remap: code re-structuring, to be used by both DMA
and Interrupt remapping"). It was causing bogus results to be returned
from dmar_parse_dev() when the first unit with the INCLUDE_ALL flag was
processed.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
hifive-unleashed-5.1
David Woodhouse 2008-10-18 15:43:14 +01:00
parent bb9e6d6507
commit f82851a8a4
1 changed files with 2 additions and 3 deletions
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5
drivers/pci/dmar.c
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@ -188,12 +188,11 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header)
return 0;
}
static int __init
dmar_parse_dev(struct dmar_drhd_unit *dmaru)
static int __init dmar_parse_dev(struct dmar_drhd_unit *dmaru)
{
struct acpi_dmar_hardware_unit *drhd;
static int include_all;
int ret;
int ret = 0;
drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr;