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mm: shmem: make shmem_init return void

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The return value of shmem_init is never used.  So we can make it return
void now.

[akpm@linux-foundation.org: remove `return;' from void-returning function, per Muchun Song]
Link: https://lkml.kernel.org/r/20220328112707.22217-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-04-28 23:15:58 -07:00 committed by akpm
parent 21f0dd88f2
commit 9096bbe951
2 changed files with 4 additions and 7 deletions
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2
include/linux/shmem_fs.h
View File

@ -56,7 +56,7 @@ static inline struct shmem_inode_info *SHMEM_I(struct inode *inode)
* Functions in mm/shmem.c called directly from elsewhere:
*/
extern const struct fs_parameter_spec shmem_fs_parameters[];
extern int shmem_init(void);
extern void shmem_init(void);
extern int shmem_init_fs_context(struct fs_context *fc);
extern struct file *shmem_file_setup(const char *name,
loff_t size, unsigned long flags);

9
mm/shmem.c
View File

@ -3888,7 +3888,7 @@ static struct file_system_type shmem_fs_type = {
.fs_flags = FS_USERNS_MOUNT,
};
int __init shmem_init(void)
void __init shmem_init(void)
{
int error;
@ -3913,14 +3913,13 @@ int __init shmem_init(void)
else
shmem_huge = SHMEM_HUGE_NEVER; /* just in case it was patched */
#endif
return 0;
return;
out1:
unregister_filesystem(&shmem_fs_type);
out2:
shmem_destroy_inodecache();
shm_mnt = ERR_PTR(error);
return error;
}
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && defined(CONFIG_SYSFS)
@ -3998,14 +3997,12 @@ static struct file_system_type shmem_fs_type = {
.fs_flags = FS_USERNS_MOUNT,
};
int __init shmem_init(void)
void __init shmem_init(void)
{
BUG_ON(register_filesystem(&shmem_fs_type) != 0);
shm_mnt = kern_mount(&shmem_fs_type);
BUG_ON(IS_ERR(shm_mnt));
return 0;
}
int shmem_unuse(unsigned int type)