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[media] airspy: increase USB control message buffer size

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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 */