From: Navid Emamdoost <navid.emamdoost@gmail.com> To: unlisted-recipients:; (no To-header on input) Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu, Navid Emamdoost <navid.emamdoost@gmail.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Ranjani Sridharan <ranjani.sridharan@linux.intel.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Wei Yongjun <weiyongjun1@huawei.com>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: SOF: Fix memory leak in sof_dfsentry_write Date: Sun, 27 Oct 2019 14:48:47 -0500 [thread overview] Message-ID: <20191027194856.4056-1-navid.emamdoost@gmail.com> (raw) In the implementation of sof_dfsentry_write() memory allocated for string is leaked in case of an error. Go to error handling path if the d_name.name is not valid. Fixes: 091c12e1f50c ("ASoC: SOF: debug: add new debugfs entries for IPC flood test") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> --- sound/soc/sof/debug.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 54cd431faab7..5529e8eeca46 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -152,8 +152,10 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, */ dentry = file->f_path.dentry; if (strcmp(dentry->d_name.name, "ipc_flood_count") && - strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) - return -EINVAL; + strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) { + ret = -EINVAL; + goto out; + } if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) flood_duration_test = true; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Navid Emamdoost <navid.emamdoost@gmail.com> Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, alsa-devel@alsa-project.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Takashi Iwai <tiwai@suse.com>, kjlu@umn.edu, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Wei Yongjun <weiyongjun1@huawei.com>, Ranjani Sridharan <ranjani.sridharan@linux.intel.com>, smccaman@umn.edu, Navid Emamdoost <navid.emamdoost@gmail.com>, linux-kernel@vger.kernel.org, emamd001@umn.edu Subject: [alsa-devel] [PATCH] ASoC: SOF: Fix memory leak in sof_dfsentry_write Date: Sun, 27 Oct 2019 14:48:47 -0500 [thread overview] Message-ID: <20191027194856.4056-1-navid.emamdoost@gmail.com> (raw) In the implementation of sof_dfsentry_write() memory allocated for string is leaked in case of an error. Go to error handling path if the d_name.name is not valid. Fixes: 091c12e1f50c ("ASoC: SOF: debug: add new debugfs entries for IPC flood test") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> --- sound/soc/sof/debug.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 54cd431faab7..5529e8eeca46 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -152,8 +152,10 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, */ dentry = file->f_path.dentry; if (strcmp(dentry->d_name.name, "ipc_flood_count") && - strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) - return -EINVAL; + strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) { + ret = -EINVAL; + goto out; + } if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) flood_duration_test = true; -- 2.17.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next reply other threads:[~2019-10-27 19:51 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-27 19:48 Navid Emamdoost [this message] 2019-10-27 19:48 ` [alsa-devel] [PATCH] ASoC: SOF: Fix memory leak in sof_dfsentry_write Navid Emamdoost 2019-10-28 1:47 ` Pierre-Louis Bossart 2019-10-28 1:47 ` [alsa-devel] " Pierre-Louis Bossart 2019-10-28 14:56 ` Applied "ASoC: SOF: Fix memory leak in sof_dfsentry_write" to the asoc tree Mark Brown 2019-10-28 14:56 ` [alsa-devel] " Mark Brown
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