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sound: oss/pas2: Fix possible access out of array 

Added a fix for hardware dependence bug where a sound card failure
should not result in reading beyond array memory index.

Signed-off-by: Asim Kadav <kadav@cs.wisc.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Asim Kadav 2013-01-03 11:47:26 -06:00 committed by Takashi Iwai
parent b7b435e81b
commit dc30a43690
1 changed files with 5 additions and 0 deletions
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5
sound/oss/pas2_card.c
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@ -333,6 +333,11 @@ static void __init attach_pas_card(struct address_info *hw_config)
{
char temp[100];
if (pas_model < 0 ||
pas_model >= ARRAY_SIZE(pas_model_names)) {
printk(KERN_ERR "pas2 unrecognized model.\n");
return;
}
sprintf(temp,
"%s rev %d", pas_model_names[(int) pas_model],
pas_read(0x2789));