mfd: ab8500-debugfs: Move dereference after check for NULL
We dereference "desc" before check if it is NULL. I've shifted it
around so we check first before dereferencing.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index e33e385..d1a22aa 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -1600,7 +1600,6 @@
for (line = 0; line < num_interrupt_lines; line++) {
struct irq_desc *desc = irq_to_desc(line + irq_first);
- struct irqaction *action = desc->action;
seq_printf(s, "%3i: %6i %4i", line,
num_interrupts[line],
@@ -1608,7 +1607,9 @@
if (desc && desc->name)
seq_printf(s, "-%-8s", desc->name);
- if (action) {
+ if (desc && desc->action) {
+ struct irqaction *action = desc->action;
+
seq_printf(s, " %s", action->name);
while ((action = action->next) != NULL)
seq_printf(s, ", %s", action->name);