The patch titled Subject: mm: cma: remove unnecessary initialization of ret has been added to the -mm mm-unstable branch. Its filename is mm-cma-remove-unnecessary-initialization-of-ret.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-cma-remove-unnecessary-initialization-of-ret.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Li zeming <zeming@xxxxxxxxxxxx> Subject: mm: cma: remove unnecessary initialization of ret Date: Tue, 5 Dec 2023 10:17:51 +0800 The ret variable can be defined without assigning a value, as it is assigned before use. Link: https://lkml.kernel.org/r/20231205021751.100459-1-zeming@xxxxxxxxxxxx Signed-off-by: Li zeming <zeming@xxxxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/cma.c~mm-cma-remove-unnecessary-initialization-of-ret +++ a/mm/cma.c @@ -244,7 +244,7 @@ int __init cma_declare_contiguous_nid(ph { phys_addr_t memblock_end = memblock_end_of_DRAM(); phys_addr_t highmem_start; - int ret = 0; + int ret; /* * We can't use __pa(high_memory) directly, since high_memory _ Patches currently in -mm which might be from zeming@xxxxxxxxxxxx are mm-filemap-remove-unnecessary-iitialization-of-ret.patch mm-cma-remove-unnecessary-initialization-of-ret.patch