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selinux: Remove redundant check for unknown labeling behavior

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commit 270e8573145a26de924e2dc644596332d400445b upstream.

The check is already performed in ocontext_read() when the policy is
loaded. Removing the array also fixes the following warning when
building with clang:

security/selinux/hooks.c:338:20: error: variable 'labeling_behaviors'
    is not needed and will not be emitted
    [-Werror,-Wunneeded-internal-declaration]

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
[natechancellor: inode_doinit_with_dentry still present]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthias Kaehlcke 2017-05-19 10:09:32 -07:00 • committed by Greg Kroah-Hartman
parent 46e7cb4d7c
commit eca9e0aff5
1 changed files with 0 additions and 16 deletions
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16
security/selinux/hooks.c
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@ -333,18 +333,6 @@ static void superblock_free_security(struct super_block *sb)
kfree(sbsec);
}
/* The file system's label must be initialized prior to use. */
static const char *labeling_behaviors[7] = {
"uses xattr",
"uses transition SIDs",
"uses task SIDs",
"uses genfs_contexts",
"not configured for labeling",
"uses mountpoint labeling",
"uses native labeling",
};
static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dentry);
static inline int inode_doinit(struct inode *inode)
@ -456,10 +444,6 @@ static int sb_finish_set_opts(struct super_block *sb)
}
}
if (sbsec->behavior > ARRAY_SIZE(labeling_behaviors))
printk(KERN_ERR "SELinux: initialized (dev %s, type %s), unknown behavior\n",
sb->s_id, sb->s_type->name);
sbsec->flags |= SE_SBINITIALIZED;
if (selinux_is_sblabel_mnt(sb))
sbsec->flags |= SBLABEL_MNT;