iwlwifi: remove unneeded NULL check

There's no need to check trans for non-null
here as it has already been checked in the
caller. This fixes an smatch warning that we
check after having dereferenced it.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index be143eb4aa4ff04a63969070736211a08e6a76aa..39a6ca1f009c39fdaf8c60775348f4790ede45dd 100644 (file)
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -879,9 +879,6 @@ static irqreturn_t iwl_isr(int irq, void *data)
 
        lockdep_assert_held(&trans_pcie->irq_lock);
 
-       if (!trans)
-               return IRQ_NONE;
-
        trace_iwlwifi_dev_irq(trans->dev);
 
        /* Disable (but don't clear!) interrupts here to avoid