From: Joe Perches <joe@perches.com>
Date: Mon, 20 Dec 2010 03:21:02 +0000 (-0500)
Subject: ext4: Use vzalloc in ext4_fill_flex_info()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=94de56ab2062be59d80e2efb7c0dc60ecf616075;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ext4: Use vzalloc in ext4_fill_flex_info()

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 072ff973ff2b..10290f8f5922 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1930,14 +1930,13 @@ static int ext4_fill_flex_info(struct super_block *sb)
 	size = flex_group_count * sizeof(struct flex_groups);
 	sbi->s_flex_groups = kzalloc(size, GFP_KERNEL);
 	if (sbi->s_flex_groups == NULL) {
-		sbi->s_flex_groups = vmalloc(size);
-		if (sbi->s_flex_groups)
-			memset(sbi->s_flex_groups, 0, size);
-	}
-	if (sbi->s_flex_groups == NULL) {
-		ext4_msg(sb, KERN_ERR, "not enough memory for "
-				"%u flex groups", flex_group_count);
-		goto failed;
+		sbi->s_flex_groups = vzalloc(size);
+		if (sbi->s_flex_groups == NULL) {
+			ext4_msg(sb, KERN_ERR,
+				 "not enough memory for %u flex groups",
+				 flex_group_count);
+			goto failed;
+		}
 	}
 
 	for (i = 0; i < sbi->s_groups_count; i++) {