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i40e: Remove MSIx only if created

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When cleaning up the interrupt handling, clean up the IRQs only if
we actually got them set up.  There are a couple of error recovery
paths that were violating this and causing the kernel a bit of
indigestion.

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Reviewed-by: Williams, Mitch A <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shannon Nelson 2016-03-10 14:59:43 -08:00 committed by Jeff Kirsher
parent 618290262e
commit 692783980a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -4164,7 +4164,7 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf)
int i;
i40e_stop_misc_vector(pf);
if (pf->flags & I40E_FLAG_MSIX_ENABLED) {
if (pf->flags & I40E_FLAG_MSIX_ENABLED && pf->msix_entries) {
synchronize_irq(pf->msix_entries[0].vector);
free_irq(pf->msix_entries[0].vector, pf);
}