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iommu/amd: Fix compiler warning in copy_device_table()

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This was reported by the kbuild bot. The condition in which
entry would be used uninitialized can not happen, because
when there is no iommu this function would never be called.
But its no fast-path, so fix the warning anyway.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2017-08-19 00:28:02 +02:00
parent 20b46dff13
commit ae162efbf2
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/amd_iommu_init.c
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@ -854,7 +854,7 @@ static int get_dev_entry_bit(u16 devid, u8 bit)
static bool copy_device_table(void)
{
u64 int_ctl, int_tab_len, entry, last_entry = 0;
u64 int_ctl, int_tab_len, entry = 0, last_entry = 0;
struct dev_table_entry *old_devtb = NULL;
u32 lo, hi, devid, old_devtb_size;
phys_addr_t old_devtb_phys;