lkml.org 
[lkml]   [2015]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] dma/ipu: change ipu_irq_handler() to remove compile warning
Date
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


\
 
 \ /
  Last update: 2015-08-25 10:21    [W:0.068 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site