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[4/9] siano: read buffer overflow

Message ID 200908062301.n76N1FIw029970@imap1.linux-foundation.org (mailing list archive)
State Superseded, archived
Headers

Commit Message

Andrew Morton Aug. 6, 2009, 11:01 p.m. UTC 
  From: Roel Kluin <roel.kluin@gmail.com>

With mode DEVICE_MODE_RAW_TUNER a read occurs past the end of smscore_fw_lkup[].
Subsequently an attempt is made to load the firmware from the resulting
filename.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/media/dvb/siano/smscoreapi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff -puN drivers/media/dvb/siano/smscoreapi.c~siano-read-buffer-overflow drivers/media/dvb/siano/smscoreapi.c
--- a/drivers/media/dvb/siano/smscoreapi.c~siano-read-buffer-overflow
+++ a/drivers/media/dvb/siano/smscoreapi.c
@@ -816,7 +816,7 @@  int smscore_set_device_mode(struct smsco
 
 	sms_debug("set device mode to %d", mode);
 	if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
-		if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) {
+		if (mode < DEVICE_MODE_DVBT || mode >= DEVICE_MODE_RAW_TUNER) {
 			sms_err("invalid mode specified %d", mode);
 			return -EINVAL;
 		}