Re: [PATCH] net: wireless: iwlwifi: remove minor dead code

From: Sergei Shtylyov
Date: Sun Nov 10 2013 - 14:15:55 EST


Hello.

On 10-11-2013 23:06, Michal Nazarewicz wrote:

From: Michal Nazarewicz <mina86@xxxxxxxxxx>

inta is checked to be zero in a IRQ_NONE branch so afterwards it
cannot be zero as it is never modified.

Signed-off-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
---
drivers/net/wireless/iwlwifi/pcie/rx.c | 23 ++++++++---------------
1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 3f237b4..c32122a 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
[...]
@@ -1150,7 +1149,13 @@ static irqreturn_t iwl_pcie_isr(int irq, void *data)
* or due to sporadic interrupts thrown from our NIC. */
if (!inta) {
IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n");
- goto none;
+ /* re-enable interrupts here since we don't have anything to
+ * service. only Re-enable if disabled by irq and no
+ * schedules tasklet. */

The preferred way of formatting the multi-line comments in the networking code is this:

/* bla
* bla
*/

WBR, Sergei

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/