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spa: alsa: fix some coverity warnings

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NULL checks.

Change pa_x* malloc functions act like the pulseaudio ones: assert on
failure, as code assumes that.
This commit is contained in:
Pauli Virtanen 2025-06-14 13:54:23 +03:00
parent 7f2bdab8ea
commit 3539374ba7
4 changed files with 30 additions and 15 deletions
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20
spa/plugins/alsa/acp/acp.c
View file

@ -8,6 +8,7 @@
#include <spa/utils/string.h>
#include <spa/utils/json.h>
#include <spa/utils/cleanup.h>
#include <spa/param/audio/iec958-types.h>
int _acp_log_level = 1;
@ -372,7 +373,7 @@ static int add_pro_profile(pa_card *impl, uint32_t index)
dev = -1;
while (1) {
char desc[128], devstr[128], *name;
char desc[128], devstr[128];
if ((err = snd_ctl_pcm_next_device(ctl_hndl, &dev)) < 0) {
pa_log_error("error iterating devices: %s", snd_strerror(err));
@ -396,8 +397,13 @@ static int add_pro_profile(pa_card *impl, uint32_t index)
pa_log_error("error pcm info: %s", snd_strerror(err));
}
if (err >= 0) {
spa_autofree char *name = NULL;
pa_assert_se(asprintf(&name, "Mapping pro-output-%d", dev) >= 0);
m = pa_alsa_mapping_get(ps, name);
} else {
m = NULL;
}
if (m) {
m->description = pa_xstrdup(desc);
m->device_strings = pa_split_spaces_strv(devstr);
@ -419,7 +425,6 @@ static int add_pro_profile(pa_card *impl, uint32_t index)
n_playback++;
}
pa_idxset_put(ap->output_mappings, m, NULL);
free(name);
}
snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_CAPTURE);
@ -428,8 +433,13 @@ static int add_pro_profile(pa_card *impl, uint32_t index)
pa_log_error("error pcm info: %s", snd_strerror(err));
}
if (err >= 0) {
spa_autofree char *name = NULL;
pa_assert_se(asprintf(&name, "Mapping pro-input-%d", dev) >= 0);
m = pa_alsa_mapping_get(ps, name);
} else {
m = NULL;
}
if (m) {
m->description = pa_xstrdup(desc);
m->device_strings = pa_split_spaces_strv(devstr);
@ -451,7 +461,6 @@ static int add_pro_profile(pa_card *impl, uint32_t index)
n_capture++;
}
pa_idxset_put(ap->input_mappings, m, NULL);
free(name);
}
}
snd_ctl_close(ctl_hndl);
@ -1190,7 +1199,7 @@ uint32_t acp_card_find_best_profile_index(struct acp_card *card, const char *nam
static void find_mixer(pa_card *impl, pa_alsa_device *dev, const char *element, bool ignore_dB)
{
const char *mdev;
const char *mdev = NULL;
pa_alsa_mapping *mapping = dev->mapping;
if (!mapping && !element)
@ -1199,7 +1208,8 @@ static void find_mixer(pa_card *impl, pa_alsa_device *dev, const char *element,
if (!element && mapping && pa_alsa_path_set_is_empty(dev->mixer_path_set))
return;
mdev = pa_proplist_gets(mapping->proplist, "alsa.mixer_device");
if (mapping)
mdev = pa_proplist_gets(mapping->proplist, "alsa.mixer_device");
if (mdev) {
dev->mixer_handle = pa_alsa_open_mixer_by_name(impl->ucm.mixers, mdev, true);
} else {