ionic: fix potential irq name truncation

Address a warning about potential string truncation based on the
string buffer sizes.  We can add some hints to the string format
specifier to set limits on the resulting possible string to
squelch the complaints.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240529000259.25775-2-shannon.nelson@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 24870da..12fda3b 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -242,7 +242,7 @@ static int ionic_request_irq(struct ionic_lif *lif, struct ionic_qcq *qcq)
                name = dev_name(dev);
 
        snprintf(intr->name, sizeof(intr->name),
-                "%s-%s-%s", IONIC_DRV_NAME, name, q->name);
+                "%.5s-%.16s-%.8s", IONIC_DRV_NAME, name, q->name);
 
        return devm_request_irq(dev, intr->vector, ionic_isr,
                                0, intr->name, &qcq->napi);