[alsa-devel] [PATCH 1/1] alsa-lib: fixed coverity reported issues under "RESOURCE_LEAK" checker.
sudarshan.bisht at nokia.com
sudarshan.bisht at nokia.com
Thu Mar 17 10:34:37 CET 2011
From: Sudarshan <sudarshan.bisht at nokia.com>
---
modules/mixer/simple/sbase.c | 1 +
modules/mixer/simple/sbasedl.c | 2 +-
src/conf.c | 2 ++
src/control/control_hw.c | 4 +++-
src/pcm/pcm_file.c | 5 +++--
src/pcm/pcm_ladspa.c | 20 ++++++++++++++------
src/pcm/pcm_plug.c | 5 ++++-
src/pcm/pcm_rate.c | 1 +
src/rawmidi/rawmidi.c | 4 +++-
9 files changed, 32 insertions(+), 12 deletions(-)
diff --git a/modules/mixer/simple/sbase.c b/modules/mixer/simple/sbase.c
index 97feee8..bb2f59d 100644
--- a/modules/mixer/simple/sbase.c
+++ b/modules/mixer/simple/sbase.c
@@ -377,6 +377,7 @@ static int simple_event_add1(snd_mixer_class_t *class,
if (ctype != SND_CTL_ELEM_TYPE_BOOLEAN) {
__invalid_type:
snd_mixer_selem_id_free(id);
+ free(hsimple);
return -EINVAL;
}
break;
diff --git a/modules/mixer/simple/sbasedl.c b/modules/mixer/simple/sbasedl.c
index 0137586..494802f 100644
--- a/modules/mixer/simple/sbasedl.c
+++ b/modules/mixer/simple/sbasedl.c
@@ -99,7 +99,7 @@ int mixer_simple_basic_dlopen(snd_mixer_class_t *class,
__error:
if (initflag)
free(priv);
- if (h == NULL)
+ if (h)
snd_dlclose(h);
free(xlib);
return -ENXIO;
diff --git a/src/conf.c b/src/conf.c
index 8939d62..61b03ec 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -638,6 +638,7 @@ static int get_char_skip_comments(input_t *input)
fd = malloc(sizeof(*fd));
if (!fd) {
free(str);
+ snd_input_close(in);
return -ENOMEM;
}
fd->name = str;
@@ -4589,6 +4590,7 @@ static int parse_args(snd_config_t *subs, const char *str, snd_config_t *defs)
if (err < 0) {
_err:
free(val);
+ snd_config_delete(sub);
return err;
}
free(val);
diff --git a/src/control/control_hw.c b/src/control/control_hw.c
index cf258b4..281b1a5 100644
--- a/src/control/control_hw.c
+++ b/src/control/control_hw.c
@@ -230,8 +230,10 @@ static int snd_ctl_hw_elem_tlv(snd_ctl_t *handle, int op_flag,
return -errno;
}
if (op_flag == 0) {
- if (xtlv->tlv[1] + 2 * sizeof(unsigned int) > tlv_size)
+ if (xtlv->tlv[1] + 2 * sizeof(unsigned int) > tlv_size) {
+ free(xtlv);
return -EFAULT;
+ }
memcpy(tlv, xtlv->tlv, xtlv->tlv[1] + 2 * sizeof(unsigned int));
}
free(xtlv);
diff --git a/src/pcm/pcm_file.c b/src/pcm/pcm_file.c
index bfa1cc8..cb61ab9 100644
--- a/src/pcm/pcm_file.c
+++ b/src/pcm/pcm_file.c
@@ -218,7 +218,7 @@ static int snd_pcm_file_open_output_file(snd_pcm_file_t *file)
if (file->final_fname[0] == '|') {
/* pipe mode */
- FILE *pipe;
+ FILE *pipe = NULL;
/* clearing */
pipe = popen(file->final_fname + 1, "w");
if (!pipe) {
@@ -226,7 +226,8 @@ static int snd_pcm_file_open_output_file(snd_pcm_file_t *file)
file->final_fname);
return -errno;
}
- fd = fileno(pipe);
+ fd = dup(fileno(pipe));
+ fclose(pipe);
} else {
if (file->trunc)
fd = open(file->final_fname, O_WRONLY|O_CREAT|O_TRUNC,
diff --git a/src/pcm/pcm_ladspa.c b/src/pcm/pcm_ladspa.c
index c413c10..41e1d38 100644
--- a/src/pcm/pcm_ladspa.c
+++ b/src/pcm/pcm_ladspa.c
@@ -750,8 +750,10 @@ static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
if (instance->input.data == NULL ||
instance->input.m_data == NULL ||
instance->output.data == NULL ||
- instance->output.m_data == NULL)
+ instance->output.m_data == NULL) {
+ free(pchannels);
return -ENOMEM;
+ }
for (idx = 0; idx < instance->input.channels.size; idx++) {
chn = instance->output.channels.array[idx];
if (pchannels[chn] == NULL && chn < ichannels) {
@@ -761,8 +763,10 @@ static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
instance->input.data[idx] = pchannels[chn];
if (instance->input.data[idx] == NULL) {
instance->input.data[idx] = snd_pcm_ladspa_allocate_zero(ladspa, 0);
- if (instance->input.data[idx] == NULL)
- return -ENOMEM;
+ if (instance->input.data[idx] == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
}
}
for (idx = 0; idx < instance->output.channels.size; idx++) {
@@ -770,8 +774,10 @@ static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
/* FIXME/OPTIMIZE: check if we can remove double alloc */
/* if LADSPA plugin has no broken inplace */
instance->output.data[idx] = malloc(sizeof(LADSPA_Data) * ladspa->allocated);
- if (instance->output.data[idx] == NULL)
- return -ENOMEM;
+ if (instance->output.data[idx] == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
pchannels[chn] = instance->output.m_data[idx] = instance->output.data[idx];
}
}
@@ -793,8 +799,10 @@ static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
instance->output.data[idx] = NULL;
} else {
instance->output.data[idx] = snd_pcm_ladspa_allocate_zero(ladspa, 1);
- if (instance->output.data[idx] == NULL)
+ if (instance->output.data[idx] == NULL) {
+ free(pchannels);
return -ENOMEM;
+ }
}
}
}
diff --git a/src/pcm/pcm_plug.c b/src/pcm/pcm_plug.c
index e9d2923..7308962 100644
--- a/src/pcm/pcm_plug.c
+++ b/src/pcm/pcm_plug.c
@@ -1298,6 +1298,7 @@ int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
err = snd_pcm_route_load_ttable(tt, ttable, csize, ssize, &cused, &sused, -1);
if (err < 0) {
snd_config_delete(sconf);
+ free(ttable);
return err;
}
}
@@ -1310,8 +1311,10 @@ int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
snd_config_delete(sconf);
- if (err < 0)
+ if (err < 0) {
+ free(ttable);
return err;
+ }
err = snd_pcm_plug_open(pcmp, name, sformat, schannels, srate, rate_converter,
route_policy, ttable, ssize, cused, sused, spcm, 1);
if (err < 0)
diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c
index 70e30e5..065c9da 100644
--- a/src/pcm/pcm_rate.c
+++ b/src/pcm/pcm_rate.c
@@ -1392,6 +1392,7 @@ int snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
} else {
SNDERR("Invalid type for rate converter");
snd_pcm_close(pcm);
+ free(rate);
return -EINVAL;
}
if (err < 0) {
diff --git a/src/rawmidi/rawmidi.c b/src/rawmidi/rawmidi.c
index b28488a..25732d2 100644
--- a/src/rawmidi/rawmidi.c
+++ b/src/rawmidi/rawmidi.c
@@ -255,8 +255,10 @@ static int snd_rawmidi_open_conf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp
snd_config_delete(type_conf);
if (err >= 0)
err = open_func(inputp, outputp, name, rawmidi_root, rawmidi_conf, mode);
- if (err < 0)
+ if (err < 0) {
+ snd_dlclose(h);
return err;
+ }
if (inputp) {
(*inputp)->dl_handle = h; h = NULL;
snd_rawmidi_params_default(*inputp, ¶ms);
--
1.7.0.4
More information about the Alsa-devel
mailing list