lightnvm/pblk-gc: Delete an error message for a failed memory allocation in pblk_gc_line_prepare_ws()

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/lightnvm/pblk-gc.c

@@ -147,10 +147,8 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work)
 	int ret;
 
 	invalid_bitmap = kmalloc(lm->sec_bitmap_len, GFP_KERNEL);
-	if (!invalid_bitmap) {
-		pr_err("pblk: could not allocate GC invalid bitmap\n");
+	if (!invalid_bitmap)
 		goto fail_free_ws;
-	}
 
 	emeta_buf = pblk_malloc(lm->emeta_len[0], l_mg->emeta_alloc_type,
 								GFP_KERNEL);