X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=security%2Fcommoncap.c;h=5a5ef5ca7ea97eb9a2ef3901e3faff71fcaefcc6;hb=e627432c2948d500669a6c4522f22b66f5118d64;hp=8a6e097f99ea677acf091800f4bd3797975f9f75;hpb=94bc2be31a01a3055ec94176e595dfe208e92d3b;p=firefly-linux-kernel-4.4.55.git

diff --git a/security/commoncap.c b/security/commoncap.c
index 8a6e097f99ea..5a5ef5ca7ea9 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/capability.h>
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -33,9 +32,9 @@ int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
 
 EXPORT_SYMBOL(cap_netlink_send);
 
-int cap_netlink_recv(struct sk_buff *skb)
+int cap_netlink_recv(struct sk_buff *skb, int cap)
 {
-	if (!cap_raised(NETLINK_CB(skb).eff_cap, CAP_NET_ADMIN))
+	if (!cap_raised(NETLINK_CB(skb).eff_cap, cap))
 		return -EPERM;
 	return 0;
 }
@@ -60,8 +59,8 @@ int cap_settime(struct timespec *ts, struct timezone *tz)
 int cap_ptrace (struct task_struct *parent, struct task_struct *child)
 {
 	/* Derived from arch/i386/kernel/ptrace.c:sys_ptrace. */
-	if (!cap_issubset (child->cap_permitted, current->cap_permitted) &&
-	    !capable(CAP_SYS_PTRACE))
+	if (!cap_issubset(child->cap_permitted, parent->cap_permitted) &&
+	    !__capable(parent, CAP_SYS_PTRACE))
 		return -EPERM;
 	return 0;
 }
@@ -170,7 +169,7 @@ void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
 	/* For init, we want to retain the capabilities set
 	 * in the init_task struct. Thus we skip the usual
 	 * capability rules */
-	if (current->pid != 1) {
+	if (!is_init(current)) {
 		current->cap_permitted = new_permitted;
 		current->cap_effective =
 		    cap_intersect (new_permitted, bprm->cap_effective);