linux-ext4 - [PATCH V2 37/49] fs/ext4: Use vzalloc

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Date:	Fri, 05 Nov 2010 00:18:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andreas Dilger <adilger.kernel@...ger.ca>
Cc:	Jiri Kosina <trivial@...nel.org>, Theodore Ts'o <tytso@....edu>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH V2 37/49] fs/ext4: Use vzalloc

Signed-off-by: Joe Perches <joe@...ches.com>
---
differences from V1:
Andreas Dilger requested a block be moved so that
sbi->s_flex_groups isn't tested for NULL twice.
Also coalesced a ext4_msg printk format.

 fs/ext4/super.c |   15 +++++++--------
 1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 40131b7..6dbc4379 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1909,14 +1909,13 @@ 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++) {


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