[PATCH 06/11] btrfs-progs: use calloc instead of malloc+memset for extent_io.c

[Silvio Fricke]

This patch is generated from a coccinelle semantic patch:

        identifier t;
        expression e;
        statement s;
        @@
        -t = malloc(e);
        +t = calloc(1, e);
        (
        if (!t) s
        |
        if (t == NULL) s
        |
        )
        -memset(t, 0, e);

Signed-off-by: Silvio Fricke <silvio.fri...@gmail.com>
---
 extent_io.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/extent_io.c b/extent_io.c
index 07695ef..75496ce 100644
--- a/extent_io.c
+++ b/extent_io.c
@@ -538,12 +538,11 @@ static struct extent_buffer *__alloc_extent_buffer(struct 
extent_io_tree *tree,
 {
        struct extent_buffer *eb;
 
-       eb = malloc(sizeof(struct extent_buffer) + blocksize);
+       eb = calloc(1, sizeof(struct extent_buffer) + blocksize);
        if (!eb) {
                BUG();
                return NULL;
        }
-       memset(eb, 0, sizeof(struct extent_buffer) + blocksize);
 
        eb->start = bytenr;
        eb->len = blocksize;
-- 
2.5.3

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