the "ch" from brd structure could be NULL, it need to
check for NULL.
Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>
---
drivers/staging/dgnc/dgnc_neo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 9eae1a6..ba57e95 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -380,7 +380,7 @@ static inline void neo_parse_isr(struct dgnc_board *brd,
uint port)
unsigned long flags;
ch = brd->channels[port];
- if (ch->magic != DGNC_CHANNEL_MAGIC)
+ if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
/* Here we try to figure out what caused the interrupt to happen */
--
2.8.2
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