[patch v2] ALSA: firewire-tascam: off by one in identify_model()

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Let's leave space for the NUL char otherwise the static checkers
complain that we go beyond the end of the array.

Fixes: 53b3ffee7885 ('ALSA: firewire-tascam: change device probing processing') 
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: I truncated the last char in v1 instead of making the buffer larger

diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c
index c6747a4..79cb9e9 100644
--- a/sound/firewire/tascam/tascam.c
+++ b/sound/firewire/tascam/tascam.c
@@ -40,7 +40,7 @@ static int identify_model(struct snd_tscm *tscm)
 {
 	struct fw_device *fw_dev = fw_parent_device(tscm->unit);
 	const u32 *config_rom = fw_dev->config_rom;
-	char model[8];
+	char model[9];
 	unsigned int i;
 	u8 c;
 
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