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authorJohn Johansen <john.johansen@canonical.com>2018-02-05 20:26:46 +0300
committerJohn Johansen <john.johansen@canonical.com>2018-02-09 22:30:02 +0300
commita0781209cb894e5115bb00c269b1d94c4b632d6a (patch)
tree95d74ef6676a6cdfff0c6b11b823c8382f4fe107 /security
parentcf91600071a973c28cebf314e618610a20ec4d6d (diff)
downloadlinux-a0781209cb894e5115bb00c269b1d94c4b632d6a.tar.xz
apparmor: cleanup: simplify code to get ns symlink name
ns_get_name() is called in only one place and can be folded in. Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security')
-rw-r--r--security/apparmor/apparmorfs.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 8cdab3c5bc63..1e63ff2e5b85 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -119,9 +119,7 @@ static int aafs_count;
static int aafs_show_path(struct seq_file *seq, struct dentry *dentry)
{
- struct inode *inode = d_inode(dentry);
-
- seq_printf(seq, "%s:[%lu]", AAFS_NAME, inode->i_ino);
+ seq_printf(seq, "%s:[%lu]", AAFS_NAME, d_inode(dentry)->i_ino);
return 0;
}
@@ -2392,29 +2390,18 @@ static const char *policy_get_link(struct dentry *dentry,
return NULL;
}
-static int ns_get_name(char *buf, size_t size, struct aa_ns *ns,
- struct inode *inode)
-{
- int res = snprintf(buf, size, "%s:[%lu]", AAFS_NAME, inode->i_ino);
-
- if (res < 0 || res >= size)
- res = -ENOENT;
-
- return res;
-}
-
static int policy_readlink(struct dentry *dentry, char __user *buffer,
int buflen)
{
- struct aa_ns *ns;
char name[32];
int res;
- ns = aa_get_current_ns();
- res = ns_get_name(name, sizeof(name), ns, d_inode(dentry));
- if (res >= 0)
+ res = snprintf(name, sizeof(name), "%s:[%lu]", AAFS_NAME,
+ d_inode(dentry)->i_ino);
+ if (res > 0 && res < sizeof(name))
res = readlink_copy(buffer, buflen, name);
- aa_put_ns(ns);
+ else
+ res = -ENOENT;
return res;
}