ALSA: control: Add sanity checks for user ctl id name string

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commit be3bb8236d upstream.

There was no check about the id string of user control elements, so we
accepted even a control element with an empty string, which is
obviously bogus.  This patch adds more sanity checks of id strings.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Takashi Iwai 2015-03-11 18:12:49 +01:00 • committed by Luis Henriques

parent 01696f6711

commit d0ff9f9a12

1 changed files with 4 additions and 0 deletions

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sound/core/control.c

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