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* [PATCH] hvsi: Keep index within state_names[]
@ 2009-07-12 23:41 Roel Kluin
  2009-07-13 11:39 ` Roel Kluin
  0 siblings, 1 reply; 2+ messages in thread
From: Roel Kluin @ 2009-07-12 23:41 UTC (permalink / raw)
  To: Andrew Morton, LKML

Keep index within state_names[]

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 2989056..05dd854 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -196,7 +196,7 @@ static inline void print_state(struct hvsi_struct *hp)
 	};
 	const char *name = state_names[hp->state];
 
-	if (hp->state > ARRAY_SIZE(state_names))
+	if (hp->state >= ARRAY_SIZE(state_names))
 		name = "UNKNOWN";
 
 	pr_debug("hvsi%i: state = %s\n", hp->index, name);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] hvsi: Keep index within state_names[]
  2009-07-12 23:41 [PATCH] hvsi: Keep index within state_names[] Roel Kluin
@ 2009-07-13 11:39 ` Roel Kluin
  0 siblings, 0 replies; 2+ messages in thread
From: Roel Kluin @ 2009-07-13 11:39 UTC (permalink / raw)
  To: Roel Kluin; +Cc: Andrew Morton, LKML, Bernd Petrovitsch

Keep index within state_names[]

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
> Hmm, using "hp->state" before the check is somewhat disturbing.

Ok. How about this?

diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 2989056..cacb8c3 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -194,10 +194,12 @@ static inline void print_state(struct hvsi_struct *hp)
 		"HVSI_WAIT_FOR_MCTRL_RESPONSE",
 		"HVSI_FSP_DIED",
 	};
-	const char *name = state_names[hp->state];
+	const char *name;
 
-	if (hp->state > ARRAY_SIZE(state_names))
+	if (hp->state >= ARRAY_SIZE(state_names))
 		name = "UNKNOWN";
+	else
+		name = state_names[hp->state];
 
 	pr_debug("hvsi%i: state = %s\n", hp->index, name);
 #endif /* DEBUG */

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2009-07-12 23:41 [PATCH] hvsi: Keep index within state_names[] Roel Kluin
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