soundwire: debugfs: move debug statement outside of error handling

The start_t and finish_t variables are not properly initialized
if errors happens over request_firmware actions.
This was also detected by smatch:

drivers/soundwire/debugfs.c:301 cmd_go() error: uninitialized symbol 'finish_t'.
drivers/soundwire/debugfs.c:301 cmd_go() error: uninitialized symbol 'start_t'.

Move the debug statement outside of firmware error handling.

Signed-off-by: Rodrigo Gobbi <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/linux-sound/[email protected]/
Fixes: bb5cb09 ("soundwire: debugfs: add interface for BPT/BRA transfers")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: losgobbi

drivers/soundwire/debugfs.c

@@ -291,16 +291,16 @@ static int cmd_go(void *data, u64 value)
 
 	finish_t = ktime_get();
 
+	dev_dbg(&slave->dev, "command completed, num_byte %zu status %d, time %lld ms\n",
+		num_bytes, ret, div_u64(finish_t - start_t, NSEC_PER_MSEC));
+
 out:
 	if (fw)
 		release_firmware(fw);
 
 	pm_runtime_mark_last_busy(&slave->dev);
 	pm_runtime_put(&slave->dev);
 
-	dev_dbg(&slave->dev, "command completed, num_byte %zu status %d, time %lld ms\n",
-		num_bytes, ret, div_u64(finish_t - start_t, NSEC_PER_MSEC));
-
 	return ret;
 }
 DEFINE_DEBUGFS_ATTRIBUTE(cmd_go_fops, NULL,