From: Alexandru Gheorghiu <gheorghiuandru@gmail.com> To: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org>, ocfs2-devel@oss.oracle.com, linux-kernel@vger.kernel.org, Alexandru Gheorghiu <gheorghiuandru@gmail.com> Subject: [PATCH] fs: fs2fs: Replaced calls to kmalloc and memcpy with kmemdup Date: Sat, 9 Mar 2013 13:49:37 +0200 [thread overview] Message-ID: <1362829777-6924-1-git-send-email-gheorghiuandru@gmail.com> (raw) Replaced calls to kmalloc followd by memcpy with a single call to kmemdup. This patch was found using coccicheck. Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com> --- fs/ocfs2/localalloc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index aebeacd..839183f 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -434,12 +434,11 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) bh = osb->local_alloc_bh; alloc = (struct ocfs2_dinode *) bh->b_data; - alloc_copy = kmalloc(bh->b_size, GFP_NOFS); + alloc_copy = kmemdup(alloc, bh->b_size, GFP_NOFS); if (!alloc_copy) { status = -ENOMEM; goto out_commit; } - memcpy(alloc_copy, alloc, bh->b_size); status = ocfs2_journal_access_di(handle, INODE_CACHE(local_alloc_inode), bh, OCFS2_JOURNAL_ACCESS_WRITE); @@ -1244,13 +1243,12 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, * local alloc shutdown won't try to double free main bitmap * bits. Make a copy so the sync function knows which bits to * free. */ - alloc_copy = kmalloc(osb->local_alloc_bh->b_size, GFP_NOFS); + alloc_copy = kmemdup(alloc, osb->local_alloc_bh->b_size, GFP_NOFS); if (!alloc_copy) { status = -ENOMEM; mlog_errno(status); goto bail; } - memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size); status = ocfs2_journal_access_di(handle, INODE_CACHE(local_alloc_inode), -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: Alexandru Gheorghiu <gheorghiuandru@gmail.com> To: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org>, ocfs2-devel@oss.oracle.com, linux-kernel@vger.kernel.org, Alexandru Gheorghiu <gheorghiuandru@gmail.com> Subject: [Ocfs2-devel] [PATCH] fs: fs2fs: Replaced calls to kmalloc and memcpy with kmemdup Date: Sun, 10 Mar 2013 22:50:29 -0000 [thread overview] Message-ID: <1362829777-6924-1-git-send-email-gheorghiuandru@gmail.com> (raw) Replaced calls to kmalloc followd by memcpy with a single call to kmemdup. This patch was found using coccicheck. Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com> --- fs/ocfs2/localalloc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index aebeacd..839183f 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -434,12 +434,11 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) bh = osb->local_alloc_bh; alloc = (struct ocfs2_dinode *) bh->b_data; - alloc_copy = kmalloc(bh->b_size, GFP_NOFS); + alloc_copy = kmemdup(alloc, bh->b_size, GFP_NOFS); if (!alloc_copy) { status = -ENOMEM; goto out_commit; } - memcpy(alloc_copy, alloc, bh->b_size); status = ocfs2_journal_access_di(handle, INODE_CACHE(local_alloc_inode), bh, OCFS2_JOURNAL_ACCESS_WRITE); @@ -1244,13 +1243,12 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, * local alloc shutdown won't try to double free main bitmap * bits. Make a copy so the sync function knows which bits to * free. */ - alloc_copy = kmalloc(osb->local_alloc_bh->b_size, GFP_NOFS); + alloc_copy = kmemdup(alloc, osb->local_alloc_bh->b_size, GFP_NOFS); if (!alloc_copy) { status = -ENOMEM; mlog_errno(status); goto bail; } - memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size); status = ocfs2_journal_access_di(handle, INODE_CACHE(local_alloc_inode), -- 1.7.9.5
next reply other threads:[~2013-03-10 22:50 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-03-09 11:49 Alexandru Gheorghiu [this message] 2013-03-10 22:50 ` [Ocfs2-devel] [PATCH] fs: fs2fs: Replaced calls to kmalloc and memcpy with kmemdup Alexandru Gheorghiu 2013-03-10 22:55 ` Joel Becker 2013-03-10 22:55 ` [Ocfs2-devel] " Joel Becker
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