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Takashi Iwai authored
commit 4dff5c7b upstream. snd_timer_user_read() has a potential race among parallel reads, as qhead and qused are updated outside the critical section due to copy_to_user() calls. Move them into the critical section, and also sanitize the relevant code a bit. Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Luis Henriques <luis.henriques@canonical.com>
d2fe56f9