ALSA: compress_offload: Drop unneeded no_free_ptr()

The error path for memdup_user() no longer needs the tricky wrap with
no_free_ptr() and we can safely return the error pointer directly.

Fixes: 0417715 ("ALSA: compress_offload: introduce accel operation mode")
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>

Author: tiwai

sound/core/compress_offload.c

@@ -1077,7 +1077,7 @@ static int snd_compr_task_create(struct snd_compr_stream *stream, unsigned long
 		return -EPERM;
 	task = memdup_user((void __user *)arg, sizeof(*task));
 	if (IS_ERR(task))
-		return PTR_ERR(no_free_ptr(task));
+		return PTR_ERR(task);
 	retval = snd_compr_task_new(stream, task);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, task, sizeof(*task)))
@@ -1138,7 +1138,7 @@ static int snd_compr_task_start_ioctl(struct snd_compr_stream *stream, unsigned
 		return -EPERM;
 	task = memdup_user((void __user *)arg, sizeof(*task));
 	if (IS_ERR(task))
-		return PTR_ERR(no_free_ptr(task));
+		return PTR_ERR(task);
 	retval = snd_compr_task_start(stream, task);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, task, sizeof(*task)))
@@ -1229,7 +1229,7 @@ static int snd_compr_task_status_ioctl(struct snd_compr_stream *stream, unsigned
 		return -EPERM;
 	status = memdup_user((void __user *)arg, sizeof(*status));
 	if (IS_ERR(status))
-		return PTR_ERR(no_free_ptr(status));
+		return PTR_ERR(status);
 	retval = snd_compr_task_status(stream, status);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, status, sizeof(*status)))