Commit 28f46656 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

fs/binfmt_elf.c: coredump: delete duplicated overflow check 

array_size() macro will do overflow check anyway.

Link: http://lkml.kernel.org/r/20191222144009.GB24341@avx2


Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 225a3f53

fs/binfmt_elf.c

+0 −2
Original line number Diff line number Diff line
@@ -2257,8 +2257,6 @@ static int elf_core_dump(struct coredump_params *cprm) 


	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);



	if (segs - 1 > ULONG_MAX / sizeof(*vma_filesz))

		goto end_coredump;

	vma_filesz = kvmalloc(array_size(sizeof(*vma_filesz), (segs - 1)),

			      GFP_KERNEL);

	if (ZERO_OR_NULL_PTR(vma_filesz))