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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
| commit | 32aca03c2ce868d3412da0bb6ce6798c7bea357e (patch) | |
| tree | 01630dc4a6935df99bf7d11d34ff8d384fed86e2 /sound/synth/emux/emux_hwdep.c | |
| parent | cfbbc7703fff59c67761c93a8b1de29a79f9841c (diff) | |
| parent | 60771fc402877163d07569addadcf18b86acb455 (diff) | |
Merge tag 'v4.9.166' into 4.9-2.3.x-imx
This is the 4.9.166 stable release
Diffstat (limited to 'sound/synth/emux/emux_hwdep.c')
| -rw-r--r-- | sound/synth/emux/emux_hwdep.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/synth/emux/emux_hwdep.c b/sound/synth/emux/emux_hwdep.c index e557946718a9..d9fcae071b47 100644 --- a/sound/synth/emux/emux_hwdep.c +++ b/sound/synth/emux/emux_hwdep.c @@ -22,9 +22,9 @@ #include <sound/core.h> #include <sound/hwdep.h> #include <linux/uaccess.h> +#include <linux/nospec.h> #include "emux_voice.h" - #define TMP_CLIENT_ID 0x1001 /* @@ -66,13 +66,16 @@ snd_emux_hwdep_misc_mode(struct snd_emux *emu, void __user *arg) return -EFAULT; if (info.mode < 0 || info.mode >= EMUX_MD_END) return -EINVAL; + info.mode = array_index_nospec(info.mode, EMUX_MD_END); if (info.port < 0) { for (i = 0; i < emu->num_ports; i++) emu->portptrs[i]->ctrls[info.mode] = info.value; } else { - if (info.port < emu->num_ports) + if (info.port < emu->num_ports) { + info.port = array_index_nospec(info.port, emu->num_ports); emu->portptrs[info.port]->ctrls[info.mode] = info.value; + } } return 0; } |