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fs: use the switch statement in init_special_inode()

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Similar to may_open().

No functional changes.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Mateusz Guzik
2025-09-15 14:28:37 +02:00
committed by Christian Brauner
parent 796667c9dc
commit af67f4c1cd
1 changed files with 13 additions and 6 deletions
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fs/inode.c
+13 -6
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@@ -2518,21 +2518,28 @@ void __init inode_init(void)
void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev)
{
inode->i_mode = mode;
if (S_ISCHR(mode)) {
switch (inode->i_mode & S_IFMT) {
case S_IFCHR:
inode->i_fop = &def_chr_fops;
inode->i_rdev = rdev;
} else if (S_ISBLK(mode)) {
break;
case S_IFBLK:
if (IS_ENABLED(CONFIG_BLOCK))
inode->i_fop = &def_blk_fops;
inode->i_rdev = rdev;
} else if (S_ISFIFO(mode))
break;
case S_IFIFO:
inode->i_fop = &pipefifo_fops;
else if (S_ISSOCK(mode))
; /* leave it no_open_fops */
else
break;
case S_IFSOCK:
/* leave it no_open_fops */
break;
default:
printk(KERN_DEBUG "init_special_inode: bogus i_mode (%o) for"
" inode %s:%lu\n", mode, inode->i_sb->s_id,
inode->i_ino);
break;
}
}
EXPORT_SYMBOL(init_special_inode);