lightnvm: pblk: remove unused return variable

Remove unused variable.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/lightnvm/pblk-sysfs.c

@@ -322,7 +322,7 @@ static ssize_t pblk_sysfs_gc_force(struct pblk *pblk, const char *page,
 				   size_t len)
 {
 	size_t c_len;
-	int ret, force;
+	int force;
 
 	c_len = strcspn(page, "\n");
 	if (c_len >= len)
@@ -331,7 +331,7 @@ static ssize_t pblk_sysfs_gc_force(struct pblk *pblk, const char *page,
 	if (kstrtouint(page, 0, &force))
 		return -EINVAL;
 
-	ret = pblk_gc_sysfs_force(pblk, force);
+	pblk_gc_sysfs_force(pblk, force);
 
 	return len;
 }