alloc_bootmem and related functions never return NULL. Thus a NULL test after calls to these functions is unnecessary.
The following Coccinelle semantic patch was used for making the change: @@ expression E; statement S; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) ... when != E - if (E == NULL) S Signed-off-by: Himangi Saraogi <himangi...@gmail.com> Acked-by: Julia Lawall <julia.law...@lip6.fr> --- arch/um/kernel/physmem.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 30fdd5d..fb041cf 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -43,8 +43,6 @@ int __init init_maps(unsigned long physmem, unsigned long iomem, total_len = phys_len + iomem_len + highmem_len; map = alloc_bootmem_low_pages(total_len); - if (map == NULL) - return -ENOMEM; for (i = 0; i < total_pages; i++) { p = &map[i]; -- 1.9.1 ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel