The patch titled Subject: mm: use kcalloc() instead of kzalloc() to allocate array has been added to the -mm tree. Its filename is mm-use-kcalloc-instead-of-kzalloc-to-allocate-array.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Thomas Meyer <thomas@xxxxxxxx> Subject: mm: use kcalloc() instead of kzalloc() to allocate array The advantage of kcalloc is, that will prevent integer overflows which could result from the multiplication of number of elements and size and it is also a bit nicer to read. The semantic patch that makes this change is available in https://lkml.org/lkml/2011/11/25/107 Signed-off-by: Thomas Meyer <thomas@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN mm/vmalloc.c~mm-use-kcalloc-instead-of-kzalloc-to-allocate-array mm/vmalloc.c --- a/mm/vmalloc.c~mm-use-kcalloc-instead-of-kzalloc-to-allocate-array +++ a/mm/vmalloc.c @@ -2375,8 +2375,8 @@ struct vm_struct **pcpu_get_vm_areas(con return NULL; } - vms = kzalloc(sizeof(vms[0]) * nr_vms, GFP_KERNEL); - vas = kzalloc(sizeof(vas[0]) * nr_vms, GFP_KERNEL); + vms = kcalloc(nr_vms, sizeof(vms[0]), GFP_KERNEL); + vas = kcalloc(nr_vms, sizeof(vas[0]), GFP_KERNEL); if (!vas || !vms) goto err_free2; _ Subject: Subject: mm: use kcalloc() instead of kzalloc() to allocate array Patches currently in -mm which might be from thomas@xxxxxxxx are linux-next.patch mm-use-kcalloc-instead-of-kzalloc-to-allocate-array.patch leds-use-kcalloc-instead-of-kzalloc-to-allocate-array.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html