2019-03-29 14:12:17 +08:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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2018-10-16 02:05:43 +08:00
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From: "Shaik, ShahinaX" <shahinax.shaik@intel.com>
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Date: Mon, 2 Apr 2018 23:37:54 +0530
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2019-03-29 14:12:17 +08:00
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Subject: [PATCH] ASoC: tdf8532: Fix Audio memory leakage at boot time
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2018-10-16 02:05:43 +08:00
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Fix kmemleak issue in tdf8532_get_state function by
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relasing the local allocated memory before exiting
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the function.
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kmemleak backtrace:
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unreferenced object 0xffff880270cabd40 (size 32):
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comm "alsa_aplay", pid 2409, jiffies 4294673205 (age 91.856s)
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hex dump (first 32 bytes):
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02 00 03 80 80 01 00 00 00 00 00 00 00 00 00 00 ................
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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backtrace:
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[<ffffffff81ae64ca>] kmemleak_alloc+0x4a/0xa0
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[<ffffffff81200088>] __kmalloc+0x128/0x210
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[<ffffffffc00d7426>] tdf8532_wait_state.constprop.5+0x116/0x250 [snd_soc_tdf8532]
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[<ffffffffc00d76a8>] tdf8532_dai_trigger+0x148/0x14d [snd_soc_tdf8532]
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[<ffffffff819036d5>] soc_pcm_trigger+0x75/0x130
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[<ffffffff81904829>] dpcm_do_trigger.isra.6+0x29/0x90
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[<ffffffff81904990>] dpcm_be_dai_trigger+0x100/0x350
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[<ffffffff81904d1a>] dpcm_fe_dai_do_trigger+0x13a/0x200
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[<ffffffff81904e18>] dpcm_fe_dai_trigger+0x38/0x40
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[<ffffffff818d049a>] snd_pcm_do_start+0x2a/0x30
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[<ffffffff818d039b>] snd_pcm_action_single+0x3b/0x90
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[<ffffffff818d11d1>] snd_pcm_action+0xe1/0x110
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[<ffffffff818d49e8>] snd_pcm_common_ioctl1+0x318/0xc90
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[<ffffffff818d54ff>] snd_pcm_playback_ioctl1+0x19f/0x250
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[<ffffffff818d55d7>] snd_pcm_playback_ioctl+0x27/0x40
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[<ffffffff81232618>] do_vfs_ioctl+0xa8/0x620
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Change-Id: I8621e17997022274509554139097d849b211f384
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Signed-off-by: Shaik, ShahinaX <shahinax.shaik@intel.com>
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Reviewed-on:
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Reviewed-by: Kale, Sanyog R <sanyog.r.kale@intel.com>
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Reviewed-by: Periyasamy, SriramX <sriramx.periyasamy@intel.com>
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Reviewed-by: Singh, Guneshwor O <guneshwor.o.singh@intel.com>
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Reviewed-by: Babu, Ramesh <ramesh.babu@intel.com>
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Reviewed-by: Shaik, Kareem M <kareem.m.shaik@intel.com>
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Reviewed-by: Koul, Vinod <vinod.koul@intel.com>
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Tested-by: Madiwalar, MadiwalappaX <madiwalappax.madiwalar@intel.com>
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---
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sound/soc/codecs/tdf8532.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/sound/soc/codecs/tdf8532.c b/sound/soc/codecs/tdf8532.c
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2020-10-27 02:14:06 +08:00
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index a5e2a028338c..68decd023a9d 100644
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2018-10-16 02:05:43 +08:00
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--- a/sound/soc/codecs/tdf8532.c
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+++ b/sound/soc/codecs/tdf8532.c
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@@ -165,6 +165,8 @@ static int tdf8532_get_state(struct tdf8532_priv *dev_data,
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*status_repl = (struct get_dev_status_repl *) repl_buff;
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out:
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+ if (repl_buff)
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+ kfree(repl_buff);
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return ret;
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}
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--
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2019-04-08 18:08:36 +08:00
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https://clearlinux.org
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2018-10-16 02:05:43 +08:00
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