From c6d59cdd412e1ae34ad9c8dc69eaabada792f7ae Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Wed, 4 Mar 2009 12:01:35 -0800 Subject: [JFFS2] kmem_cache_alloc/memset -> kmem_cache_zalloc Used kmem_cache_zalloc instead of kmem_cache_alloc/memset. Signed-off-by: Wei Yongjun Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- fs/jffs2/malloc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'fs/jffs2') diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c index f9211252b5f..9eff2bdae8a 100644 --- a/fs/jffs2/malloc.c +++ b/fs/jffs2/malloc.c @@ -284,10 +284,9 @@ void jffs2_free_inode_cache(struct jffs2_inode_cache *x) struct jffs2_xattr_datum *jffs2_alloc_xattr_datum(void) { struct jffs2_xattr_datum *xd; - xd = kmem_cache_alloc(xattr_datum_cache, GFP_KERNEL); + xd = kmem_cache_zalloc(xattr_datum_cache, GFP_KERNEL); dbg_memalloc("%p\n", xd); - memset(xd, 0, sizeof(struct jffs2_xattr_datum)); xd->class = RAWNODE_CLASS_XATTR_DATUM; xd->node = (void *)xd; INIT_LIST_HEAD(&xd->xindex); @@ -303,10 +302,9 @@ void jffs2_free_xattr_datum(struct jffs2_xattr_datum *xd) struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void) { struct jffs2_xattr_ref *ref; - ref = kmem_cache_alloc(xattr_ref_cache, GFP_KERNEL); + ref = kmem_cache_zalloc(xattr_ref_cache, GFP_KERNEL); dbg_memalloc("%p\n", ref); - memset(ref, 0, sizeof(struct jffs2_xattr_ref)); ref->class = RAWNODE_CLASS_XATTR_REF; ref->node = (void *)ref; return ref; -- cgit v1.2.3-70-g09d2 From fc371a25eab8816d49c2d322d91b48a11e206018 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Wed, 4 Mar 2009 12:01:41 -0800 Subject: [JFFS2] jffs2_acl_count() tests < 0 on unsigned size_t s is unsigned and cannot be less than 0. Signed-off-by: Roel Kluin Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- fs/jffs2/acl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/jffs2') diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index d98713777a1..6e63e8b4106 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -38,12 +38,12 @@ static int jffs2_acl_count(size_t size) size_t s; size -= sizeof(struct jffs2_acl_header); - s = size - 4 * sizeof(struct jffs2_acl_entry_short); - if (s < 0) { + if (size < 4 * sizeof(struct jffs2_acl_entry_short)) { if (size % sizeof(struct jffs2_acl_entry_short)) return -1; return size / sizeof(struct jffs2_acl_entry_short); } else { + s = size - 4 * sizeof(struct jffs2_acl_entry_short); if (s % sizeof(struct jffs2_acl_entry)) return -1; return s / sizeof(struct jffs2_acl_entry) + 4; -- cgit v1.2.3-70-g09d2