Greg KH, le Mon 07 Jan 2013 09:44:53 -0800, a ?crit :
> Wait, Nickolai wrote the first patch, so how could he sign off on your
> patch? How about sending me an add-on patch on top of the first one
> which adds the additional check?
Right, here it is:
Check that array index is in-bounds before accessing the synths[] array.
Signed-off-by: Samuel Thibault <samuel.thibault at ens-lyon.org>
---
drivers/staging/speakup/synth.c | 2 +-
1 file changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index df95337..b91d22b 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);
