Merge branch 'master' into next

Conflicts:
	fs/namei.c

Manually merged per:

diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
  		nd->flags |= LOOKUP_CONTINUE;
  		err = exec_permission_lite(inode);
  		if (err == -EAGAIN)
- 			err = vfs_permission(nd, MAY_EXEC);
+ 			err = inode_permission(nd->path.dentry->d_inode,
+ 					       MAY_EXEC);
 +		if (!err)
 +			err = ima_path_check(&nd->path, MAY_EXEC);
   		if (err)
  			break;

@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
  		flag &= ~O_TRUNC;
  	}

- 	error = vfs_permission(nd, acc_mode);
+ 	error = inode_permission(inode, acc_mode);
  	if (error)
  		return error;
 +
- 	error = ima_path_check(&nd->path,
++	error = ima_path_check(path,
 +			       acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
 +	if (error)
 +		return error;
  	/*
  	 * An append-only file must be opened in append mode for writing.
  	 */

Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 16 insertions, 10 deletions

diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 94966edfb44..33a9351c896 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -82,7 +82,7 @@ static void sysrq_handle_loglevel(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_loglevel_op = {
 	.handler	= sysrq_handle_loglevel,
-	.help_msg	= "loglevel0-8",
+	.help_msg	= "loglevel(0-9)",
 	.action_msg	= "Changing Loglevel",
 	.enable_mask	= SYSRQ_ENABLE_LOG,
 };
@@ -233,7 +233,7 @@ static void sysrq_handle_showallcpus(int key, struct tty_struct *tty)
 
 static struct sysrq_key_op sysrq_showallcpus_op = {
 	.handler	= sysrq_handle_showallcpus,
-	.help_msg	= "aLlcpus",
+	.help_msg	= "show-backtrace-all-active-cpus(L)",
 	.action_msg	= "Show backtrace of all active CPUs",
 	.enable_mask	= SYSRQ_ENABLE_DUMP,
 };
@@ -247,7 +247,7 @@ static void sysrq_handle_showregs(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_showregs_op = {
 	.handler	= sysrq_handle_showregs,
-	.help_msg	= "showPc",
+	.help_msg	= "show-registers(P)",
 	.action_msg	= "Show Regs",
 	.enable_mask	= SYSRQ_ENABLE_DUMP,
 };
@@ -258,7 +258,7 @@ static void sysrq_handle_showstate(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_showstate_op = {
 	.handler	= sysrq_handle_showstate,
-	.help_msg	= "showTasks",
+	.help_msg	= "show-task-states(T)",
 	.action_msg	= "Show State",
 	.enable_mask	= SYSRQ_ENABLE_DUMP,
 };
@@ -269,7 +269,7 @@ static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_showstate_blocked_op = {
 	.handler	= sysrq_handle_showstate_blocked,
-	.help_msg	= "shoW-blocked-tasks",
+	.help_msg	= "show-blocked-tasks(W)",
 	.action_msg	= "Show Blocked State",
 	.enable_mask	= SYSRQ_ENABLE_DUMP,
 };
@@ -297,7 +297,7 @@ static void sysrq_handle_showmem(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_showmem_op = {
 	.handler	= sysrq_handle_showmem,
-	.help_msg	= "showMem",
+	.help_msg	= "show-memory-usage(M)",
 	.action_msg	= "Show Memory",
 	.enable_mask	= SYSRQ_ENABLE_DUMP,
 };
@@ -323,7 +323,7 @@ static void sysrq_handle_term(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_term_op = {
 	.handler	= sysrq_handle_term,
-	.help_msg	= "tErm",
+	.help_msg	= "terminate-all-tasks(E)",
 	.action_msg	= "Terminate All Tasks",
 	.enable_mask	= SYSRQ_ENABLE_SIGNAL,
 };
@@ -341,7 +341,7 @@ static void sysrq_handle_moom(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_moom_op = {
 	.handler	= sysrq_handle_moom,
-	.help_msg	= "Full",
+	.help_msg	= "memory-full-oom-kill(F)",
 	.action_msg	= "Manual OOM execution",
 	.enable_mask	= SYSRQ_ENABLE_SIGNAL,
 };
@@ -353,7 +353,7 @@ static void sysrq_handle_kill(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_kill_op = {
 	.handler	= sysrq_handle_kill,
-	.help_msg	= "kIll",
+	.help_msg	= "kill-all-tasks(I)",
 	.action_msg	= "Kill All Tasks",
 	.enable_mask	= SYSRQ_ENABLE_SIGNAL,
 };
@@ -364,7 +364,7 @@ static void sysrq_handle_unrt(int key, struct tty_struct *tty)
 }
 static struct sysrq_key_op sysrq_unrt_op = {
 	.handler	= sysrq_handle_unrt,
-	.help_msg	= "Nice",
+	.help_msg	= "nice-all-RT-tasks(N)",
 	.action_msg	= "Nice All RT Tasks",
 	.enable_mask	= SYSRQ_ENABLE_RTNICE,
 };
@@ -473,6 +473,12 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
 	unsigned long flags;
 
 	spin_lock_irqsave(&sysrq_key_table_lock, flags);
+	/*
+	 * Raise the apparent loglevel to maximum so that the sysrq header
+	 * is shown to provide the user with positive feedback.  We do not
+	 * simply emit this at KERN_EMERG as that would change message
+	 * routing in the consumers of /proc/kmsg.
+	 */
 	orig_log_level = console_loglevel;
 	console_loglevel = 7;
 	printk(KERN_INFO "SysRq : ");