dmaengine: idxd: Delete unnecessary NULL check

The "saved_evl" pointer is a offset into the middle of a non-NULL struct.
It can't be NULL and the check is slightly confusing. Delete the check.

Signed-off-by: Dan Carpenter <[e-mail]>
Reviewed-by: Fenghua Yu <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/idxd/init.c

···
 
 	idxd->rdbuf_limit = idxd_saved->saved_idxd.rdbuf_limit;
 
-	if (saved_evl)
-		idxd->evl->size = saved_evl->size;
+	idxd->evl->size = saved_evl->size;
 
 	for (i = 0; i < idxd->max_groups; i++) {
 		struct idxd_group *saved_group, *group;