Change ipu_irq_handler() to avoid gcc warning:
drivers/dma/ipu/ipu_irq.c:305:4: warning: 'irq' may be used
uninitialized in this function [-Wmaybe-uninitialized]
generic_handle_irq(irq);
Signed-off-by: yalin wang <yalin.wang2010@xxxxxxxxx>
---
drivers/dma/ipu/ipu_irq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index 7489d2a..1a74eee 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -286,23 +286,21 @@ static void ipu_irq_handler(unsigned int __irq, struct irq_desc *desc)
raw_spin_unlock(&bank_lock);
while ((line = ffs(status))) {
struct ipu_irq_map *map;
- unsigned int irq;
line--;
status &= ~(1UL << line);
raw_spin_lock(&bank_lock);
map = src2map(32 * i + line);
- if (map)
- irq = map->irq;
raw_spin_unlock(&bank_lock);
if (!map) {
pr_err("IPU: Interrupt on unmapped source %u bank %d\n",
line, i);
continue;
+ } else {
+ generic_handle_irq(map->irq);
}
- generic_handle_irq(irq);
}
}
}
--
1.9.1
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