diff options
Diffstat (limited to 'security/device_cgroup.c')
| -rw-r--r-- | security/device_cgroup.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c index baf348834b66..ddd92cec78ed 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -222,7 +222,7 @@ static void devcgroup_destroy(struct cgroup_subsys *ss, #define DEVCG_DENY 2 #define DEVCG_LIST 3 -#define MAJMINLEN 10 +#define MAJMINLEN 13 #define ACCLEN 4 static void set_access(char *acc, short access) @@ -254,7 +254,7 @@ static void set_majmin(char *str, unsigned m) if (m == ~0) sprintf(str, "*"); else - snprintf(str, MAJMINLEN, "%d", m); + snprintf(str, MAJMINLEN, "%u", m); } static int devcgroup_seq_read(struct cgroup *cgroup, struct cftype *cft, @@ -300,7 +300,7 @@ static int may_access_whitelist(struct dev_cgroup *c, continue; if (whitem->minor != ~0 && whitem->minor != refwh->minor) continue; - if (refwh->access & (~(whitem->access | ACC_MASK))) + if (refwh->access & (~whitem->access)) continue; return 1; } @@ -382,6 +382,8 @@ static ssize_t devcgroup_access_write(struct cgroup *cgroup, struct cftype *cft, case 'a': wh.type = DEV_ALL; wh.access = ACC_MASK; + wh.major = ~0; + wh.minor = ~0; goto handle; case 'b': wh.type = DEV_BLOCK; |