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| author |   Takashi Iwai <tiwai@suse.de> | 2018-04-25 10:41:08 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-04-25 16:44:36 +0200 |
| commit | 4d31c6e41ed2f95f97a19766812797dabd82a5ee (patch) | |
| tree | e1f81f4f0108ff86f85b8e17b025b21609aec7b2 /include/sound | |
| parent | ALSA: hda - Sanity check of access to SPDIF controls array (diff) | |
| parent | ALSA: hda - Skip jack and others for non-existing PCM streams (diff) | |
| download | linux-dev-4d31c6e41ed2f95f97a19766812797dabd82a5ee.tar.xz linux-dev-4d31c6e41ed2f95f97a19766812797dabd82a5ee.zip | |
Merge branch 'for-linus' into for-next
Back-merge 4.17-rc3 fixes for further development.
This will bump the base to 4.17-rc2, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/control.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/sound/control.h b/include/sound/control.h index ca13a44ae9d4..6011a58d3e20 100644 --- a/include/sound/control.h +++ b/include/sound/control.h @@ -23,6 +23,7 @@ */ #include <linux/wait.h> +#include <linux/nospec.h> #include <sound/asound.h> #define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data) @@ -148,12 +149,14 @@ int snd_ctl_get_preferred_subdevice(struct snd_card *card, int type); static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->numid - kctl->id.numid; + unsigned int ioff = id->numid - kctl->id.numid; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->index - kctl->id.index; + unsigned int ioff = id->index - kctl->id.index; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) |