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-rw-r--r--kernel/auditfilter.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index a536f7148bc..4c99d2c586e 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -787,7 +787,7 @@ static void audit_update_watch(struct audit_parent *parent,
mutex_lock(&audit_filter_mutex);
list_for_each_entry_safe(owatch, nextw, &parent->watches, wlist) {
- if (audit_compare_dname_path(dname, owatch->path))
+ if (audit_compare_dname_path(dname, owatch->path, NULL))
continue;
/* If the update involves invalidating rules, do the inode-based
@@ -1387,7 +1387,8 @@ int audit_comparator(const u32 left, const u32 op, const u32 right)
/* Compare given dentry name with last component in given path,
* return of 0 indicates a match. */
-int audit_compare_dname_path(const char *dname, const char *path)
+int audit_compare_dname_path(const char *dname, const char *path,
+ int *dirlen)
{
int dlen, plen;
const char *p;
@@ -1416,6 +1417,9 @@ int audit_compare_dname_path(const char *dname, const char *path)
p++;
}
+ /* return length of path's directory component */
+ if (dirlen)
+ *dirlen = p - path;
return strncmp(p, dname, dlen);
}