From: Matthew Wilcox <willy@infradead.org>
To: Chen Wandun <chenwandun@huawei.com>
Cc: hughd@google.com, akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] mm/shmem: check return value of shmem_init_inodecache
Date: Wed, 1 Jun 2022 13:54:18 +0100 [thread overview]
Message-ID: <YpdhehYSyJFOj3Tq@casper.infradead.org> (raw)
In-Reply-To: <20220601124417.2872001-2-chenwandun@huawei.com>
On Wed, Jun 01, 2022 at 08:44:14PM +0800, Chen Wandun wrote:
> -static void shmem_init_inodecache(void)
> +static struct kmem_cache *shmem_init_inodecache(void)
> {
> shmem_inode_cachep = kmem_cache_create("shmem_inode_cache",
> sizeof(struct shmem_inode_info),
> 0, SLAB_PANIC|SLAB_ACCOUNT, shmem_init_inode);
> +
> + return shmem_inode_cachep;
> }
>
> static void shmem_destroy_inodecache(void)
> @@ -3924,7 +3926,10 @@ void __init shmem_init(void)
> {
> int error;
>
> - shmem_init_inodecache();
> + if (!shmem_init_inodecache()) {
> + error = -ENOMEM;
> + goto out2;
> + }
better to return the errno from shmem_init_inodecache():
error = shmem_init_inodecache();
if (error)
goto out2;
next prev parent reply other threads:[~2022-06-01 12:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 12:44 [PATCH 0/4] a few cleanup and bugfixes about shmem Chen Wandun
2022-06-01 12:44 ` [PATCH 1/4] mm/shmem: check return value of shmem_init_inodecache Chen Wandun
2022-06-01 12:54 ` Matthew Wilcox [this message]
2022-06-01 13:34 ` Kefeng Wang
2022-06-01 12:44 ` [PATCH 2/4] mm/shmem: return -EINVAL for addr not PAGE_SIZE aligned Chen Wandun
2022-06-01 13:37 ` David Hildenbrand
2022-06-01 14:14 ` David Hildenbrand
2022-06-05 2:05 ` Chen Wandun
2022-06-01 12:44 ` [PATCH 3/4] mm/shmem: return error code directly Chen Wandun
2022-06-01 12:44 ` [PATCH 4/4] mm/shmem: rework calculation of inflated_addr in shmem_get_unmapped_area Chen Wandun
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