staging: lustre: lustre: Remove unnecessary else after return

Else is unnecessary when there is a return statement in the
corresponding if block. Coccinelle patch used:

@rule1@
expression e1;
@@

	if (e1) { ... return ...; }
-       else{
	        ...
-       }

@rule2@
expression e2;
statement s1;
@@

	if(e2) { ... return ...; }
-       else
		s1

Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/linux/linux-crypto.c

@@ -233,8 +233,7 @@ int cfs_crypto_hash_speed(unsigned char hash_alg)
 {
 	if (hash_alg < CFS_HASH_ALG_MAX)
 		return cfs_crypto_hash_speeds[hash_alg];
-	else
-		return -1;
+	return -1;
 }
 EXPORT_SYMBOL(cfs_crypto_hash_speed);
 

drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c

@@ -134,10 +134,9 @@ enum cfs_trace_buf_type cfs_trace_buf_idx_get(void)
 {
 	if (in_irq())
 		return CFS_TCD_TYPE_IRQ;
-	else if (in_softirq())
+	if (in_softirq())
 		return CFS_TCD_TYPE_SOFTIRQ;
-	else
-		return CFS_TCD_TYPE_PROC;
+	return CFS_TCD_TYPE_PROC;
 }
 
 /*

drivers/staging/lustre/lustre/lov/lov_obd.c

@@ -1550,7 +1550,8 @@ static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
 					    len, karg, uarg);
 			if (err == -ENODATA && cmd == OBD_IOC_POLL_QUOTACHECK) {
 				return err;
-			} else if (err) {
+			}
+			if (err) {
 				if (lov->lov_tgts[i]->ltd_active) {
 					CDEBUG(err == -ENOTTY ?
 					       D_IOCTL : D_WARNING,