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authorPeter Ujfalusi <peter.ujfalusi@linux.intel.com>2023-04-03 12:09:09 +0300
committerMark Brown <broonie@kernel.org>2023-04-03 14:13:44 +0300
commitde6aa72b265b72bca2b1897d5000c8f0147d3157 (patch)
tree34ce1d4c267f01b4a039e79524e581d7f9563025 /sound
parente3720f92e0237921da537e47a0b24e27899203f8 (diff)
downloadlinux-de6aa72b265b72bca2b1897d5000c8f0147d3157.tar.xz
ASoC: SOF: ipc4-topology: Clarify bind failure caused by missing fw_module
The original patch uses a feature in lib/vsprintf.c to handle the invalid address when tring to print *_fw_module->man4_module_entry.name when the *rc_fw_module is NULL. This case is handled by check_pointer_msg() internally and turns the invalid pointer to '(efault)' for printing but it is hiding useful information about the circumstances. Change the print to emmit the name of the widget and a note on which side's fw_module is missing. Fixes: e3720f92e023 ("ASoC: SOF: avoid a NULL dereference with unsupported widgets") Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/alsa-devel/4826f662-42f0-4a82-ba32-8bf5f8a03256@kili.mountain/ Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Rule: 'Cc: stable@vger.kernel.org' or 'commit <sha1> upstream.' Link: https://lore.kernel.org/r/20230403090909.18233-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sof/ipc4-topology.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index 669b99a4f76e..3a5394c3dd83 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -1806,10 +1806,12 @@ static int sof_ipc4_route_setup(struct snd_sof_dev *sdev, struct snd_sof_route *
int ret;
if (!src_fw_module || !sink_fw_module) {
- /* The NULL module will print as "(efault)" */
- dev_err(sdev->dev, "source %s or sink %s widget weren't set up properly\n",
- src_fw_module->man4_module_entry.name,
- sink_fw_module->man4_module_entry.name);
+ dev_err(sdev->dev,
+ "cannot bind %s -> %s, no firmware module for: %s%s\n",
+ src_widget->widget->name, sink_widget->widget->name,
+ src_fw_module ? "" : " source",
+ sink_fw_module ? "" : " sink");
+
return -ENODEV;
}