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ALSA: x86: Fix driver name string overflow

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The driver sets card->driver name string over its size (16 bytes).
Shorten the name string to fit with it.

Also, set more verbose string to card->shortname and ->longname.
This doesn't have to be identical with card->driver at all.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-02-07 12:14:04 +01:00
parent 075a1d46be
commit 873ab03575
2 changed files with 3 additions and 2 deletions
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3
sound/x86/intel_hdmi_audio.c
View File

@ -1694,7 +1694,8 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
ctx->card = card;
ctx->aes_bits = SNDRV_PCM_DEFAULT_CON_SPDIF;
strcpy(card->driver, INTEL_HAD);
strcpy(card->shortname, INTEL_HAD);
strcpy(card->shortname, "Intel HDMI/DP LPE Audio");
strcpy(card->longname, "Intel HDMI/DP LPE Audio");
ctx->irq = -1;
ctx->tmds_clock_speed = DIS_SAMPLE_RATE_148_5;

2
sound/x86/intel_hdmi_lpe_audio.h
View File

@ -57,7 +57,7 @@
#define HAD_REG_WIDTH 0x08
#define HAD_MAX_HW_BUFS 0x04
#define HAD_MAX_DIP_WORDS 16
#define INTEL_HAD "IntelHdmiLpeAudio"
#define INTEL_HAD "HdmiLpeAudio"
/* DP Link Rates */
#define DP_2_7_GHZ 270000