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authorTakashi Iwai <tiwai@suse.de>2021-06-08 16:04:37 +0200
committerTakashi Iwai <tiwai@suse.de>2021-06-09 17:29:38 +0200
commitc305366a37441c2ac90b08711cb6f032b43672f2 (patch)
treec3659325a67ddcb1b7a61939dcb56f511148d698 /net/tipc/discover.h
parent36e7b12b219dc30a4db046756d81745bc9d69167 (diff)
ALSA: sb: Fix potential double-free of CSP mixer elements
snd_sb_qsound_destroy() contains the calls of removing the previously created mixer controls, but it doesn't clear the pointers. As snd_sb_qsound_destroy() itself may be repeatedly called via ioctl, this could lead to double-free potentially. Fix it by clearing the struct fields properly afterwards. Link: https://lore.kernel.org/r/20210608140540.17885-4-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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