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Subject: [media] airspy: increase USB control message buffer size
Author:  Antti Palosaari <cr...@iki.fi>
Date:    Mon Oct 26 18:58:14 2015 -0200

Driver requested device firmware version string during probe using
only 24 byte long buffer. That buffer is too small for newer firmware
versions, which causes device firmware hang - device stops responding
to any commands after that. Increase buffer size to 128 which should
be enough for any current and future version strings.

Link: https://github.com/airspy/host/issues/27

Cc: <stable@vger.kernel.org> # 3.17+
Reported-by: Benjamin Vernoux <bvern...@gmail.com>
Signed-off-by: Antti Palosaari <cr...@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>

 drivers/media/usb/airspy/airspy.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

---

http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=679e77c5e81c59265ee1ee238b3e1bee12147e22

diff --git a/drivers/media/usb/airspy/airspy.c 
b/drivers/media/usb/airspy/airspy.c
index fcbb497..565a593 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -134,7 +134,7 @@ struct airspy {
        int            urbs_submitted;
 
        /* USB control message buffer */
-       #define BUF_SIZE 24
+       #define BUF_SIZE 128
        u8 buf[BUF_SIZE];
 
        /* Current configuration */
--
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