diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-01-07 22:03:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:44:09 -0800 |
| commit | 71a1306551e811989c0164c614845fea352d8b57 (patch) | |
| tree | 3c523c008467f9cf210a6b23e0bfa70b1db8d0f2 | |
| parent | 36aa8707613d57452ebfda30812e8715f019c453 (diff) | |
staging: speakup: avoid out-of-range access in synth_add()
commit 6102c48bd421074a33e102f2ebda3724e8d275f9 upstream.
Check that array index is in-bounds before accessing the synths[] array.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/speakup/synth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index b5688033922..7843111555e 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -423,7 +423,7 @@ int synth_add(struct spk_synth *in_synth) int i; int status = 0; mutex_lock(&spk_mutex); - for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++) + for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++) /* synth_remove() is responsible for rotating the array down */ if (in_synth == synths[i]) { mutex_unlock(&spk_mutex); |