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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-08-22 12:24:13 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-08-22 11:36:26 +0200 |
| commit | a3b3a9db5d26bef1e62054c95c3d7701de5110d5 (patch) | |
| tree | f43a9115bf6e65644c66aacd07aeb1f905188c26 /sound/pci | |
| parent | f09d4f26f6192ec9b060047cc7126e01980bb36c (diff) | |
| download | linux-a3b3a9db5d26bef1e62054c95c3d7701de5110d5.tar.bz2 | |
ALSA: hdsp: silence a sprinft() overflow warning
card->shortname is a 32 char string so the sprintf() can theoretically
overflow. snd_rawmidi_new() can accept strings up to 64 bytes long.
I have made the temporay buf[] array 40 bytes long and changed the
sprintf() to snprintf().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 468a95cdce70..9bba275b4c9b 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -1526,7 +1526,7 @@ static struct snd_rawmidi_ops snd_hdsp_midi_input = static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id) { - char buf[32]; + char buf[40]; hdsp->midi[id].id = id; hdsp->midi[id].rmidi = NULL; @@ -1537,7 +1537,7 @@ static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int i hdsp->midi[id].pending = 0; spin_lock_init (&hdsp->midi[id].lock); - sprintf (buf, "%s MIDI %d", card->shortname, id+1); + snprintf(buf, sizeof(buf), "%s MIDI %d", card->shortname, id + 1); if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0) return -1; |