X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Freadahead.c;h=0de2360d65f3f4f4cce4e0ae94f02d78a51a2429;hb=347f31e9ad98b6bc15c50c72ae385b50bd7149b0;hp=7cdbb44aa90bd99bef05f43ee27cc13b2121ed7a;hpb=b95485143b271df65ce7c6ba75daee324ee6f517;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/readahead.c b/mm/readahead.c
index 7cdbb44..0de2360 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -211,8 +211,6 @@ out:
 int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
 		pgoff_t offset, unsigned long nr_to_read)
 {
-	int ret = 0;
-
 	if (unlikely(!mapping->a_ops->readpage && !mapping->a_ops->readpages))
 		return -EINVAL;
 
@@ -226,15 +224,13 @@ int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
 			this_chunk = nr_to_read;
 		err = __do_page_cache_readahead(mapping, filp,
 						offset, this_chunk, 0);
-		if (err < 0) {
-			ret = err;
-			break;
-		}
-		ret += err;
+		if (err < 0)
+			return err;
+
 		offset += this_chunk;
 		nr_to_read -= this_chunk;
 	}
-	return ret;
+	return 0;
 }
 
 /*
@@ -576,8 +572,7 @@ do_readahead(struct address_space *mapping, struct file *filp,
 	if (!mapping || !mapping->a_ops)
 		return -EINVAL;
 
-	force_page_cache_readahead(mapping, filp, index, nr);
-	return 0;
+	return force_page_cache_readahead(mapping, filp, index, nr);
 }
 
 SYSCALL_DEFINE3(readahead, int, fd, loff_t, offset, size_t, count)