From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>

 fs/jbd2/journal.c | 66771 -> 66719 (-52 bytes)
 fs/jbd2/journal.o | 199193 -> 199049 (-144 bytes)

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/jbd2/journal.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff -puN fs/jbd2/journal.c~fs-jbd2-journalc-kmalloc-memset-conversion-to-kzalloc fs/jbd2/journal.c
--- a/fs/jbd2/journal.c~fs-jbd2-journalc-kmalloc-memset-conversion-to-kzalloc
+++ a/fs/jbd2/journal.c
@@ -928,17 +928,16 @@ static void journal_init_stats(journal_t
 {
 	int size;
 
-	if (proc_jbd2_stats == NULL)
+	if (!proc_jbd2_stats)
 		return;
 
 	journal->j_history_max = 100;
 	size = sizeof(struct transaction_stats_s) * journal->j_history_max;
-	journal->j_history = kmalloc(size, GFP_KERNEL);
-	if (journal->j_history == NULL) {
+	journal->j_history = kzalloc(size, GFP_KERNEL);
+	if (!journal->j_history) {
 		journal->j_history_max = 0;
 		return;
 	}
-	memset(journal->j_history, 0, size);
 	spin_lock_init(&journal->j_history_lock);
 }
 
_