Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Most of commits found here are for ASoC device specific fixes,
  arizona, cs4271, wm5102, wm2200, etc, in addition to a couple of
  memory leak fixes in ASoC core.

  Other than that, regression fixes in HD-audio and USB-audio, and a fix
  for new Realtek codecs."

* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
  ALSA: usb-audio: Fix NULL dereference by access to non-existing substream
  ALSA: hda - Add support of new codec ALC284
  ALSA: usb-audio: Make ebox44_table static
  ALSA: hdspm - Fix wordclock status on AES32
  Revert "ALSA: hda - Shut up pins at power-saving mode with Conexnat codecs"
  ALSA: hda - Disable runtime D3 for Intel CPT & co
  ALSA: pxa27x: fix ac97 warm reset
  ALSA: pxa27x: fix ac97 cold reset
  ASoC: wm_adsp: Ensure that block writes are from DMA aligned addresses
  ASoC: wm2000: Fix sense of speech clarity enable
  ASoC: wm5100: Remove DSP B and left justified formats
  ASoC: arizona: Remove DSP B and left justified AIF modes
  ASoC: wm2200: Remove DSP B and left justified AIF modes
  ASoC: wm5102: Improve speaker enable performance
  ASoC: core: fix the memory leak in case of remove_aux_dev()
  ASoC: core: fix the memory leak in case of device_add() failure
  ASoC: cs42l52: Catch no-match case in cs42l52_get_clk
  ASoC: lm49453: Update lm49453_reg_defs values as per LM49453 HW revision-B
  ASoC: lm49453: Fix adc, mic and sidetone volume ranges
  ASoC: arizona: Correct FLL source definitions
  ...

1 files changed, 22 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index ffc89fab96fb..7b198c38f3ef 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -169,6 +169,7 @@ static int wm_adsp_load(struct wm_adsp *dsp)
 	const struct wm_adsp_region *mem;
 	const char *region_name;
 	char *file, *text;
+	void *buf;
 	unsigned int reg;
 	int regions = 0;
 	int ret, offset, type, sizes;
@@ -322,8 +323,18 @@ static int wm_adsp_load(struct wm_adsp *dsp)
 		}
 
 		if (reg) {
-			ret = regmap_raw_write(regmap, reg, region->data,
+			buf = kmemdup(region->data, le32_to_cpu(region->len),
+				      GFP_KERNEL);
+			if (!buf) {
+				adsp_err(dsp, "Out of memory\n");
+				return -ENOMEM;
+			}
+
+			ret = regmap_raw_write(regmap, reg, buf,
 					       le32_to_cpu(region->len));
+
+			kfree(buf);
+
 			if (ret != 0) {
 				adsp_err(dsp,
 					"%s.%d: Failed to write %d bytes at %d in %s: %d\n",
@@ -359,6 +370,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 	const char *region_name;
 	int ret, pos, blocks, type, offset, reg;
 	char *file;
+	void *buf;
 
 	file = kzalloc(PAGE_SIZE, GFP_KERNEL);
 	if (file == NULL)
@@ -426,6 +438,13 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 		}
 
 		if (reg) {
+			buf = kmemdup(blk->data, le32_to_cpu(blk->len),
+				      GFP_KERNEL);
+			if (!buf) {
+				adsp_err(dsp, "Out of memory\n");
+				return -ENOMEM;
+			}
+
 			ret = regmap_raw_write(regmap, reg, blk->data,
 					       le32_to_cpu(blk->len));
 			if (ret != 0) {
@@ -433,6 +452,8 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 					"%s.%d: Failed to write to %x in %s\n",
 					file, blocks, reg, region_name);
 			}
+
+			kfree(buf);
 		}
 
 		pos += le32_to_cpu(blk->len) + sizeof(*blk);