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ALSA: mixer_oss: Remove some incorrect kfree_const() usages

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[ Upstream commit 368e4663c5 ]

"assigned" and "assigned->name" are allocated in snd_mixer_oss_proc_write()
using kmalloc() and kstrdup(), so there is no point in using kfree_const()
to free these resources.

Switch to the more standard kfree() to free these resources.

This could avoid a memory leak.

Fixes: 454f5ec1d2 ("ALSA: mixer: oss: Constify snd_mixer_oss_assign_table definition")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/63ac20f64234b7c9ea87a7fa9baf41e8255852f7.1727374631.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-09-26 20:17:36 +02:00 committed by Greg Kroah-Hartman
parent 0152c81f61
commit 466129e3d0
1 changed files with 2 additions and 2 deletions
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4
sound/core/oss/mixer_oss.c
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@ -967,8 +967,8 @@ static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
struct slot *p = chn->private_data;
if (p) {
if (p->allocated && p->assigned) {
kfree_const(p->assigned->name);
kfree_const(p->assigned);
kfree(p->assigned->name);
kfree(p->assigned);
}
kfree(p);
}