Remove goto labels and use direct returns as error unwinding code only
needs to free t_page variable if we alloc_pages() call fails as having
two labels for one kfree() can be avoided easily.
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220222152852.26043-3-kch@nvidia.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
t_page = kmalloc(sizeof(struct nullb_page), GFP_NOIO);
if (!t_page)
- goto out;
+ return NULL;
t_page->page = alloc_pages(GFP_NOIO, 0);
- if (!t_page->page)
- goto out_freepage;
+ if (!t_page->page) {
+ kfree(t_page);
+ return NULL;
+ }
memset(t_page->bitmap, 0, sizeof(t_page->bitmap));
return t_page;
-out_freepage:
- kfree(t_page);
-out:
- return NULL;
}
static void null_free_page(struct nullb_page *t_page)