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[media] airspy: increase USB control message buffer size 

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 <bvernoux@gmail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2015-10-26 18:58:14 -02:00 committed by Mauro Carvalho Chehab
parent d47fa5315c
commit aa0850e1d5
1 changed files with 1 additions and 1 deletions
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2
drivers/media/usb/airspy/airspy.c
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@ -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 */