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staging: speakup: avoid out-of-range access in synth_init() 

Check that array index is in-bounds before accessing the synths[] array.

Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Cc: stable <stable@vger.kernel.org>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nickolai Zeldovich 2013-01-05 14:17:45 -05:00 committed by Greg Kroah-Hartman
parent 2dcb4a298c
commit ae428655b8
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/speakup/synth.c
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@ -342,7 +342,7 @@ int synth_init(char *synth_name)
mutex_lock(&spk_mutex);
/* First, check if we already have it loaded. */
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
if (strcmp(synths[i]->name, synth_name) == 0)
synth = synths[i];