drivers/misc/sgi-gru/grukdump.c: cleanup gru_dump_context() a little

"ret" is zero here so we can remove the "!ret" part of the condition.
"uhdr" is alread a __user pointer so we can remove the cast.

Signed-off-by: Dan Carpenter <[e-mail]>
Acked-by: Dimitri Sivanich <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/misc/sgi-gru/grukdump.c

···
 	hdr.cbrcnt = cbrcnt;
 	hdr.dsrcnt = dsrcnt;
 	hdr.cch_locked = cch_locked;
-	if (!ret && copy_to_user((void __user *)uhdr, &hdr, sizeof(hdr)))
-		ret = -EFAULT;
+	if (copy_to_user(uhdr, &hdr, sizeof(hdr)))
+		return -EFAULT;
 
-	return ret ? ret : bytes;
+	return bytes;
 }
 
 int gru_dump_chiplet_request(unsigned long arg)