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[85.23.89.224]) by smtp.gmail.com with ESMTPSA id z11sm2270757ljn.114.2021.08.31.11.15.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Aug 2021 11:15:16 -0700 (PDT) From: Kari Argillander To: Konstantin Komarov , ntfs3@lists.linux.dev Cc: Kari Argillander , linux-kernel@vger.kernel.org Subject: [PATCH 1/5] fs/ntfs3: Use kmalloc_array over kmalloc with multiply Date: Tue, 31 Aug 2021 21:15:01 +0300 Message-Id: <20210831181505.1074767-2-kari.argillander@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210831181505.1074767-1-kari.argillander@gmail.com> References: <20210831181505.1074767-1-kari.argillander@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If we do not use kmalloc_array we get checkpatch warning. It is also little safer if something goes wrong with coding. Signed-off-by: Kari Argillander --- fs/ntfs3/bitmap.c | 2 +- fs/ntfs3/index.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index 831501555009..aa0b1ea66cd0 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -1331,7 +1331,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) new_last = wbits; if (new_wnd != wnd->nwnd) { - new_free = kmalloc(new_wnd * sizeof(u16), GFP_NOFS); + new_free = kmalloc_array(new_wnd, sizeof(u16), GFP_NOFS); if (!new_free) return -ENOMEM; diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 0daca9adc54c..7676a4a657d5 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -685,7 +685,7 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx, if (end > 0x10000) goto next; - offs = kmalloc(sizeof(u16) * nslots, GFP_NOFS); + offs = kmalloc_array(nslots, sizeof(u16), GFP_NOFS); if (!offs) goto next; @@ -707,7 +707,7 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx, u16 *ptr; int new_slots = ALIGN(2 * nslots, 8); - ptr = kmalloc(sizeof(u16) * new_slots, GFP_NOFS); + ptr = kmalloc_array(new_slots, sizeof(u16), GFP_NOFS); if (ptr) memcpy(ptr, offs, sizeof(u16) * max_idx); kfree(offs); -- 2.25.1