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Wong" Cc: Cihan Karadag , Shuah Khan , linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] xfs: use kmalloc_objs() instead of kmalloc() in xfs_da_grow_inode_int Date: Thu, 16 Jul 2026 15:48:12 -0600 Message-ID: <20260716214827.21188-1-cihan.cihan@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convert open-coded kmalloc() multiplication to the modern kmalloc_objs() interface to improve type safety and prevent potential integer overflows. No functional changes are intended. Signed-off-by: Cihan Karadag --- Changes since v1: - Use kmalloc_objs() instead of kmalloc_array(), per Darrick's suggestion. fs/xfs/libxfs/xfs_da_btree.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index 9debb95d86fa0..f190c088591bc 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -2354,8 +2354,7 @@ xfs_da_grow_inode_int( * If we didn't get it and the block might work if fragmented, * try without the CONTIG flag. Loop until we get it all. */ - mapp = kmalloc(sizeof(*mapp) * count, - GFP_KERNEL | __GFP_NOFAIL); + mapp = kmalloc_objs(*mapp, count, GFP_KERNEL | __GFP_NOFAIL); for (b = *bno, mapi = 0; b < *bno + count; ) { c = (int)(*bno + count - b); nmap = min(XFS_BMAP_MAX_NMAP, c); -- 2.54.0