Messages in this thread Patch in this message | | | From | yalin wang <> | Subject | [PATCH] dma/ipu: change ipu_irq_handler() to remove compile warning | Date | Tue, 25 Aug 2015 16:01:08 +0800 |
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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@gmail.com> --- 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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