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audit: use macros for unset inode and device values 

Clean up a number of places were casted magic numbers are used to represent
unset inode and device numbers in preparation for the audit by executable path
patch set.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: enclosed the _UNSET macros in parentheses for ./scripts/checkpatch]
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Richard Guy Briggs 2015-08-05 23:48:20 -04:00 committed by Paul Moore
parent 8c85fc9ae6
commit 84cb777e67
4 changed files with 11 additions and 8 deletions
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3
include/linux/audit.h
View File

@ -27,6 +27,9 @@
#include <linux/ptrace.h>
#include <uapi/linux/audit.h>
#define AUDIT_INO_UNSET ((unsigned long)-1)
#define AUDIT_DEV_UNSET ((dev_t)-1)
struct audit_sig_info {
uid_t uid;
pid_t pid;

2
kernel/audit.c
View File

@ -1759,7 +1759,7 @@ void audit_log_name(struct audit_context *context, struct audit_names *n,
} else
audit_log_format(ab, " name=(null)");
if (n->ino != (unsigned long)-1) {
if (n->ino != AUDIT_INO_UNSET) {
audit_log_format(ab, " inode=%lu"
" dev=%02x:%02x mode=%#ho"
" ouid=%u ogid=%u rdev=%02x:%02x",

8
kernel/audit_watch.c
View File

@ -138,7 +138,7 @@ char *audit_watch_path(struct audit_watch *watch)
int audit_watch_compare(struct audit_watch *watch, unsigned long ino, dev_t dev)
{
return (watch->ino != (unsigned long)-1) &&
return (watch->ino != AUDIT_INO_UNSET) &&
(watch->ino == ino) &&
(watch->dev == dev);
}
@ -179,8 +179,8 @@ static struct audit_watch *audit_init_watch(char *path)
INIT_LIST_HEAD(&watch->rules);
atomic_set(&watch->count, 1);
watch->path = path;
watch->dev = (dev_t)-1;
watch->ino = (unsigned long)-1;
watch->dev = AUDIT_DEV_UNSET;
watch->ino = AUDIT_INO_UNSET;
return watch;
}
@ -493,7 +493,7 @@ static int audit_watch_handle_event(struct fsnotify_group *group,
if (mask & (FS_CREATE|FS_MOVED_TO) && inode)
audit_update_watch(parent, dname, inode->i_sb->s_dev, inode->i_ino, 0);
else if (mask & (FS_DELETE|FS_MOVED_FROM))
audit_update_watch(parent, dname, (dev_t)-1, (unsigned long)-1, 1);
audit_update_watch(parent, dname, AUDIT_DEV_UNSET, AUDIT_INO_UNSET, 1);
else if (mask & (FS_DELETE_SELF|FS_UNMOUNT|FS_MOVE_SELF))
audit_remove_parent_watches(parent);

6
kernel/auditsc.c
View File

@ -180,7 +180,7 @@ static int audit_match_filetype(struct audit_context *ctx, int val)
return 0;
list_for_each_entry(n, &ctx->names_list, list) {
if ((n->ino != -1) &&
if ((n->ino != AUDIT_INO_UNSET) &&
((n->mode & S_IFMT) == mode))
return 1;
}
@ -1681,7 +1681,7 @@ static struct audit_names *audit_alloc_name(struct audit_context *context,
aname->should_free = true;
}
aname->ino = (unsigned long)-1;
aname->ino = AUDIT_INO_UNSET;
aname->type = type;
list_add_tail(&aname->list, &context->names_list);
@ -1923,7 +1923,7 @@ void __audit_inode_child(const struct inode *parent,
if (inode)
audit_copy_inode(found_child, dentry, inode);
else
found_child->ino = (unsigned long)-1;
found_child->ino = AUDIT_INO_UNSET;
}
EXPORT_SYMBOL_GPL(__audit_inode_child);