samples: modules: nanopb: Release decoded message

pdgendt · cfriedt · commit 93da92cfcbac · 2025-09-26T16:02:34.000-04:00
If CONFIG_NANOPB_ENABLE_MALLOC is enabled, any successfully decoded message
should be released.
Update the sample, to lead by example.

Signed-off-by: Pieter De Gendt &lt;pieter.degendt@basalte.be&gt;
diff --git a/samples/modules/nanopb/src/main.c b/samples/modules/nanopb/src/main.c
@@ -73,6 +73,7 @@ bool decode_message(uint8_t *buffer, size_t message_length)
 #ifdef CONFIG_SAMPLE_UNLUCKY_NUMBER
 		printk("Your unlucky number was %d!\n", (int)message.unlucky_number);
 #endif
+		pb_release(SimpleMessage_fields, &message);
 	} else {
 		printk("Decoding failed: %s\n", PB_GET_ERROR(&stream));
 	}

Original file line number	Diff line number	Diff line change
`@@ -73,6 +73,7 @@ bool decode_message(uint8_t *buffer, size_t message_length)`
`73`	`73`	`#ifdef CONFIG_SAMPLE_UNLUCKY_NUMBER`
`74`	`74`	`printk("Your unlucky number was %d!\n", (int)message.unlucky_number);`
`75`	`75`	`#endif`
	`76`	`+ pb_release(SimpleMessage_fields, &message);`
`76`	`77`	`} else {`
`77`	`78`	`printk("Decoding failed: %s\n", PB_GET_ERROR(&stream));`
`78`	`79`	`}`