Re: [PATCH 05/13] selinux: Cleanup printk logging in avtab

Paul Moore
2018-06-19T17:03:38Z

On Tue, Jun 12, 2018 at 4:09 AM Peter Enderborg
<peter.enderborg@sony.com> wrote:
>
> Replace printk with pr_* to avoid checkpatch warnings.
>
> Signed-off-by: Peter Enderborg <peter.enderborg@sony.com>
> ---
> security/selinux/ss/avtab.c | 51 +++++++++++++++++++++++----------------------
> 1 file changed, 26 insertions(+), 25 deletions(-)

Merged, thanks.

> diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c
> index a2c9148b0662..c0417cf17fee 100644
> --- a/security/selinux/ss/avtab.c
> +++ b/security/selinux/ss/avtab.c
> @@ -338,7 +338,7 @@ int avtab_alloc(struct avtab *h, u32 nrules)
> h->nel = 0;
> h->nslot = nslot;
> h->mask = mask;
> - printk(KERN_DEBUG "SELinux: %d avtab hash slots, %d rules.\n",
> + pr_debug("SELinux: %d avtab hash slots, %d rules.\n",
> h->nslot, nrules);
> return 0;
> }
> @@ -368,7 +368,7 @@ void avtab_hash_eval(struct avtab *h, char *tag)
> }
> }
>
> - printk(KERN_DEBUG "SELinux: %s: %d entries and %d/%d buckets used, "
> + pr_debug("SELinux: %s: %d entries and %d/%d buckets used, "
> "longest chain length %d sum of chain length^2 %llu\n",
> tag, h->nel, slots_used, h->nslot, max_chain_len,
> chain2_len_sum);
> @@ -407,18 +407,18 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> if (vers < POLICYDB_VERSION_AVTAB) {
> rc = next_entry(buf32, fp, sizeof(u32));
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> items2 = le32_to_cpu(buf32[0]);
> if (items2 > ARRAY_SIZE(buf32)) {
> - printk(KERN_ERR "SELinux: avtab: entry overflow\n");
> + pr_err("SELinux: avtab: entry overflow\n");
> return -EINVAL;
>
> }
> rc = next_entry(buf32, fp, sizeof(u32)*items2);
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> items = 0;
> @@ -426,19 +426,19 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> val = le32_to_cpu(buf32[items++]);
> key.source_type = (u16)val;
> if (key.source_type != val) {
> - printk(KERN_ERR "SELinux: avtab: truncated source type\n");
> + pr_err("SELinux: avtab: truncated source type\n");
> return -EINVAL;
> }
> val = le32_to_cpu(buf32[items++]);
> key.target_type = (u16)val;
> if (key.target_type != val) {
> - printk(KERN_ERR "SELinux: avtab: truncated target type\n");
> + pr_err("SELinux: avtab: truncated target type\n");
> return -EINVAL;
> }
> val = le32_to_cpu(buf32[items++]);
> key.target_class = (u16)val;
> if (key.target_class != val) {
> - printk(KERN_ERR "SELinux: avtab: truncated target class\n");
> + pr_err("SELinux: avtab: truncated target class\n");
> return -EINVAL;
> }
>
> @@ -446,16 +446,16 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> enabled = (val & AVTAB_ENABLED_OLD) ? AVTAB_ENABLED : 0;
>
> if (!(val & (AVTAB_AV | AVTAB_TYPE))) {
> - printk(KERN_ERR "SELinux: avtab: null entry\n");
> + pr_err("SELinux: avtab: null entry\n");
> return -EINVAL;
> }
> if ((val & AVTAB_AV) &&
> (val & AVTAB_TYPE)) {
> - printk(KERN_ERR "SELinux: avtab: entry has both access vectors and types\n");
> + pr_err("SELinux: avtab: entry has both access vectors and types\n");
> return -EINVAL;
> }
> if (val & AVTAB_XPERMS) {
> - printk(KERN_ERR "SELinux: avtab: entry has extended permissions\n");
> + pr_err("SELinux: avtab: entry has extended permissions\n");
> return -EINVAL;
> }
>
> @@ -470,7 +470,8 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> }
>
> if (items != items2) {
> - printk(KERN_ERR "SELinux: avtab: entry only had %d items, expected %d\n", items2, items);
> + pr_err("SELinux: avtab: entry only had %d items, expected %d\n",
> + items2, items);
> return -EINVAL;
> }
> return 0;
> @@ -478,7 +479,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
>
> rc = next_entry(buf16, fp, sizeof(u16)*4);
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
>
> @@ -491,7 +492,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> if (!policydb_type_isvalid(pol, key.source_type) ||
> !policydb_type_isvalid(pol, key.target_type) ||
> !policydb_class_isvalid(pol, key.target_class)) {
> - printk(KERN_ERR "SELinux: avtab: invalid type or class\n");
> + pr_err("SELinux: avtab: invalid type or class\n");
> return -EINVAL;
> }
>
> @@ -501,13 +502,13 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> set++;
> }
> if (!set || set > 1) {
> - printk(KERN_ERR "SELinux: avtab: more than one specifier\n");
> + pr_err("SELinux: avtab: more than one specifier\n");
> return -EINVAL;
> }
>
> if ((vers < POLICYDB_VERSION_XPERMS_IOCTL) &&
> (key.specified & AVTAB_XPERMS)) {
> - printk(KERN_ERR "SELinux: avtab: policy version %u does not "
> + pr_err("SELinux: avtab: policy version %u does not "
> "support extended permissions rules and one "
> "was specified\n", vers);
> return -EINVAL;
> @@ -515,17 +516,17 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> memset(&xperms, 0, sizeof(struct avtab_extended_perms));
> rc = next_entry(&xperms.specified, fp, sizeof(u8));
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> rc = next_entry(&xperms.driver, fp, sizeof(u8));
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> rc = next_entry(buf32, fp, sizeof(u32)*ARRAY_SIZE(xperms.perms.p));
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> for (i = 0; i < ARRAY_SIZE(xperms.perms.p); i++)
> @@ -534,14 +535,14 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol,
> } else {
> rc = next_entry(buf32, fp, sizeof(u32));
> if (rc) {
> - printk(KERN_ERR "SELinux: avtab: truncated entry\n");
> + pr_err("SELinux: avtab: truncated entry\n");
> return rc;
> }
> datum.u.data = le32_to_cpu(*buf32);
> }
> if ((key.specified & AVTAB_TYPE) &&
> !policydb_type_isvalid(pol, datum.u.data)) {
> - printk(KERN_ERR "SELinux: avtab: invalid type\n");
> + pr_err("SELinux: avtab: invalid type\n");
> return -EINVAL;
> }
> return insertf(a, &key, &datum, p);
> @@ -562,12 +563,12 @@ int avtab_read(struct avtab *a, void *fp, struct policydb *pol)
>
> rc = next_entry(buf, fp, sizeof(u32));
> if (rc < 0) {
> - printk(KERN_ERR "SELinux: avtab: truncated table\n");
> + pr_err("SELinux: avtab: truncated table\n");
> goto bad;
> }
> nel = le32_to_cpu(buf[0]);
> if (!nel) {
> - printk(KERN_ERR "SELinux: avtab: table is empty\n");
> + pr_err("SELinux: avtab: table is empty\n");
> rc = -EINVAL;
> goto bad;
> }
> @@ -580,9 +581,9 @@ int avtab_read(struct avtab *a, void *fp, struct policydb *pol)
> rc = avtab_read_item(a, fp, pol, avtab_insertf, NULL);
> if (rc) {
> if (rc == -ENOMEM)
> - printk(KERN_ERR "SELinux: avtab: out of memory\n");
> + pr_err("SELinux: avtab: out of memory\n");
> else if (rc == -EEXIST)
> - printk(KERN_ERR "SELinux: avtab: duplicate entry\n");
> + pr_err("SELinux: avtab: duplicate entry\n");
>
> goto bad;
> }
> --
> 2.15.1
>

--
paul moore