[PATCH 04/13] selinux: Cleanup printk logging in hooks

From: Peter Enderborg
Date: Tue Jun 12 2018 - 04:16:13 EST

Replace printk with pr_* to avoid checkpatch warnings.

Signed-off-by: Peter Enderborg <peter.enderborg@xxxxxxxx>
---
security/selinux/hooks.c | 68 +++++++++++++++++++++++-------------------------
1 file changed, 33 insertions(+), 35 deletions(-)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4cafe6a19167..3ab9687ac4c8 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -531,7 +531,7 @@ static int sb_finish_set_opts(struct super_block *sb)
the first boot of the SELinux kernel before we have
assigned xattr values to the filesystem. */
if (!(root_inode->i_opflags & IOP_XATTR)) {
- printk(KERN_WARNING "SELinux: (dev %s, type %s) has no "
+ pr_warn("SELinux: (dev %s, type %s) has no "
"xattr support\n", sb->s_id, sb->s_type->name);
rc = -EOPNOTSUPP;
goto out;
@@ -540,11 +540,11 @@ static int sb_finish_set_opts(struct super_block *sb)
rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL, 0);
if (rc < 0 && rc != -ENODATA) {
if (rc == -EOPNOTSUPP)
- printk(KERN_WARNING "SELinux: (dev %s, type "
+ pr_warn("SELinux: (dev %s, type "
"%s) has no security xattr handler\n",
sb->s_id, sb->s_type->name);
else
- printk(KERN_WARNING "SELinux: (dev %s, type "
+ pr_warn("SELinux: (dev %s, type "
"%s) getxattr errno %d\n", sb->s_id,
sb->s_type->name, -rc);
goto out;
@@ -743,7 +743,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
goto out;
}
rc = -EINVAL;
- printk(KERN_WARNING "SELinux: Unable to set superblock options "
+ pr_warn("SELinux: Unable to set superblock options "
"before the security server is initialized\n");
goto out;
}
@@ -785,7 +785,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
mount_options[i], &sid,
GFP_KERNEL);
if (rc) {
- printk(KERN_WARNING "SELinux: security_context_str_to_sid"
+ pr_warn("SELinux: security_context_str_to_sid"
"(%s) failed for (dev %s, type %s) errno=%d\n",
mount_options[i], sb->s_id, name, rc);
goto out;
@@ -861,8 +861,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
*/
rc = security_fs_use(&selinux_state, sb);
if (rc) {
- printk(KERN_WARNING
- "%s: security_fs_use(%s) returned %d\n",
+ pr_warn("%s: security_fs_use(%s) returned %d\n",
__func__, sb->s_type->name, rc);
goto out;
}
@@ -948,7 +947,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
if (sbsec->behavior != SECURITY_FS_USE_XATTR &&
sbsec->behavior != SECURITY_FS_USE_NATIVE) {
rc = -EINVAL;
- printk(KERN_WARNING "SELinux: defcontext option is "
+ pr_warn("SELinux: defcontext option is "
"invalid for this filesystem type\n");
goto out;
}
@@ -970,7 +969,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
return rc;
out_double_mount:
rc = -EINVAL;
- printk(KERN_WARNING "SELinux: mount invalid. Same superblock, different "
+ pr_warn("SELinux: mount invalid. Same superblock, different "
"security settings for (dev %s, type %s)\n", sb->s_id, name);
goto out;
}
@@ -999,7 +998,7 @@ static int selinux_cmp_sb_context(const struct super_block *oldsb,
}
return 0;
mismatch:
- printk(KERN_WARNING "SELinux: mount invalid. Same superblock, "
+ pr_warn("SELinux: mount invalid. Same superblock, "
"different security settings for (dev %s, "
"type %s)\n", newsb->s_id, newsb->s_type->name);
return -EBUSY;
@@ -1107,7 +1106,7 @@ static int selinux_parse_opts_str(char *options,
case Opt_context:
if (context || defcontext) {
rc = -EINVAL;
- printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+ pr_warn(SEL_MOUNT_FAIL_MSG);
goto out_err;
}
context = match_strdup(&args[0]);
@@ -1120,7 +1119,7 @@ static int selinux_parse_opts_str(char *options,
case Opt_fscontext:
if (fscontext) {
rc = -EINVAL;
- printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+ pr_warn(SEL_MOUNT_FAIL_MSG);
goto out_err;
}
fscontext = match_strdup(&args[0]);
@@ -1133,7 +1132,7 @@ static int selinux_parse_opts_str(char *options,
case Opt_rootcontext:
if (rootcontext) {
rc = -EINVAL;
- printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+ pr_warn(SEL_MOUNT_FAIL_MSG);
goto out_err;
}
rootcontext = match_strdup(&args[0]);
@@ -1146,7 +1145,7 @@ static int selinux_parse_opts_str(char *options,
case Opt_defcontext:
if (context || defcontext) {
rc = -EINVAL;
- printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+ pr_warn(SEL_MOUNT_FAIL_MSG);
goto out_err;
}
defcontext = match_strdup(&args[0]);
@@ -1159,7 +1158,7 @@ static int selinux_parse_opts_str(char *options,
break;
default:
rc = -EINVAL;
- printk(KERN_WARNING "SELinux: unknown mount option\n");
+ pr_warn("SELinux: unknown mount option\n");
goto out_err;

}
@@ -1615,7 +1614,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
dput(dentry);
if (rc < 0) {
if (rc != -ENODATA) {
- printk(KERN_WARNING "SELinux: %s: getxattr returned "
+ pr_warn("SELinux: %s: getxattr returned "
"%d for dev=%s ino=%ld\n", __func__,
-rc, inode->i_sb->s_id, inode->i_ino);
kfree(context);
@@ -1635,11 +1634,11 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent

if (rc == -EINVAL) {
if (printk_ratelimit())
- printk(KERN_NOTICE "SELinux: inode=%lu on dev=%s was found to have an invalid "
+ pr_notice("SELinux: inode=%lu on dev=%s was found to have an invalid "
"context=%s. This indicates you may need to relabel the inode or the "
"filesystem in question.\n", ino, dev, context);
} else {
- printk(KERN_WARNING "SELinux: %s: context_to_sid(%s) "
+ pr_warn("SELinux: %s: context_to_sid(%s) "
"returned %d for dev=%s ino=%ld\n",
__func__, context, -rc, dev, ino);
}
@@ -1772,8 +1771,7 @@ static int cred_has_capability(const struct cred *cred,
sclass = initns ? SECCLASS_CAPABILITY2 : SECCLASS_CAP2_USERNS;
break;
default:
- printk(KERN_ERR
- "SELinux: out of range capability %d\n", cap);
+ pr_err("SELinux: out of range capability %d\n", cap);
BUG();
return -EINVAL;
}
@@ -2016,7 +2014,7 @@ static int may_link(struct inode *dir,
av = DIR__RMDIR;
break;
default:
- printk(KERN_WARNING "SELinux: %s: unrecognized kind %d\n",
+ pr_warn("SELinux: %s: unrecognized kind %d\n",
__func__, kind);
return 0;
}
@@ -2862,7 +2860,7 @@ static int selinux_sb_remount(struct super_block *sb, void *data)
mount_options[i], &sid,
GFP_KERNEL);
if (rc) {
- printk(KERN_WARNING "SELinux: security_context_str_to_sid"
+ pr_warn("SELinux: security_context_str_to_sid"
"(%s) failed for (dev %s, type %s) errno=%d\n",
mount_options[i], sb->s_id, sb->s_type->name, rc);
goto out_free_opts;
@@ -2901,7 +2899,7 @@ static int selinux_sb_remount(struct super_block *sb, void *data)
free_secdata(secdata);
return rc;
out_bad_option:
- printk(KERN_WARNING "SELinux: unable to change security options "
+ pr_warn("SELinux: unable to change security options "
"during remount (dev %s, type=%s)\n", sb->s_id,
sb->s_type->name);
goto out_free_opts;
@@ -3343,7 +3341,7 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
rc = security_context_to_sid_force(&selinux_state, value, size,
&newsid);
if (rc) {
- printk(KERN_ERR "SELinux: unable to map context to SID"
+ pr_err("SELinux: unable to map context to SID"
"for (%s, %lu), rc=%d\n",
inode->i_sb->s_id, inode->i_ino, -rc);
return;
@@ -4406,7 +4404,7 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
}

parse_error:
- printk(KERN_WARNING
+ pr_warn(
"SELinux: failure in selinux_parse_skb(),"
" unable to parse packet\n");
return ret;
@@ -4449,7 +4447,7 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid)
err = security_net_peersid_resolve(&selinux_state, nlbl_sid,
nlbl_type, xfrm_sid, sid);
if (unlikely(err)) {
- printk(KERN_WARNING
+ pr_warn(
"SELinux: failure in selinux_skb_peerlbl_sid(),"
" unable to determine packet's peer label\n");
return -EACCES;
@@ -7091,11 +7089,11 @@ static __init int selinux_init(void)
}

if (!selinux_enabled) {
- printk(KERN_INFO "SELinux: Disabled at boot.\n");
+ pr_info("SELinux: Disabled at boot.\n");
return 0;
}

- printk(KERN_INFO "SELinux: Initializing.\n");
+ pr_info("SELinux: Initializing.\n");

memset(&selinux_state, 0, sizeof(selinux_state));
enforcing_set(&selinux_state, selinux_enforcing_boot);
@@ -7131,9 +7129,9 @@ static __init int selinux_init(void)
panic("SELinux: Unable to register AVC LSM notifier callback\n");

if (selinux_enforcing_boot)
- printk(KERN_DEBUG "SELinux: Starting in enforcing mode\n");
+ pr_debug("SELinux: Starting in enforcing mode\n");
else
- printk(KERN_DEBUG "SELinux: Starting in permissive mode\n");
+ pr_debug("SELinux: Starting in permissive mode\n");

return 0;
}
@@ -7145,10 +7143,10 @@ static void delayed_superblock_init(struct super_block *sb, void *unused)

void selinux_complete_init(void)
{
- printk(KERN_DEBUG "SELinux: Completing initialization.\n");
+ pr_debug("SELinux: Completing initialization.\n");

/* Set up any superblocks initialized prior to the policy load. */
- printk(KERN_DEBUG "SELinux: Setting up existing superblocks.\n");
+ pr_debug("SELinux: Setting up existing superblocks.\n");
iterate_supers(delayed_superblock_init, NULL);
}

@@ -7223,7 +7221,7 @@ static int __init selinux_nf_ip_init(void)
if (!selinux_enabled)
return 0;

- printk(KERN_DEBUG "SELinux: Registering netfilter hooks\n");
+ pr_debug("SELinux: Registering netfilter hooks\n");

err = register_pernet_subsys(&selinux_net_ops);
if (err)
@@ -7236,7 +7234,7 @@ __initcall(selinux_nf_ip_init);
#ifdef CONFIG_SECURITY_SELINUX_DISABLE
static void selinux_nf_ip_exit(void)
{
- printk(KERN_DEBUG "SELinux: Unregistering netfilter hooks\n");
+ pr_debug("SELinux: Unregistering netfilter hooks\n");

unregister_pernet_subsys(&selinux_net_ops);
}
@@ -7265,7 +7263,7 @@ int selinux_disable(struct selinux_state *state)

state->disabled = 1;

- printk(KERN_INFO "SELinux: Disabled at runtime.\n");
+ pr_info("SELinux: Disabled at runtime.\n");

selinux_enabled = 0;

--
2.15.1