X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Ffcntl.c;h=8685263ccc4a7aa51d6666136c285687393bfabb;hb=63a7138671c50a6f2c27bbd1a308dc75967062a3;hp=8e382a5d51bd6f757bd694344465de0711d4afb2;hpb=f0eef25339f92f7cd4aeea23d9ae97987a5a1e82;p=linux-2.6-omap-h63xx.git

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 8e382a5d51b..8685263ccc4 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -18,6 +18,7 @@
 #include <linux/ptrace.h>
 #include <linux/signal.h>
 #include <linux/rcupdate.h>
+#include <linux/pid_namespace.h>
 
 #include <asm/poll.h>
 #include <asm/siginfo.h>
@@ -110,7 +111,7 @@ out:
 	return error;
 }
 
-static int dupfd(struct file *file, unsigned int start)
+static int dupfd(struct file *file, unsigned int start, int cloexec)
 {
 	struct files_struct * files = current->files;
 	struct fdtable *fdt;
@@ -122,7 +123,10 @@ static int dupfd(struct file *file, unsigned int start)
 		/* locate_fd() may have expanded fdtable, load the ptr */
 		fdt = files_fdtable(files);
 		FD_SET(fd, fdt->open_fds);
-		FD_CLR(fd, fdt->close_on_exec);
+		if (cloexec)
+			FD_SET(fd, fdt->close_on_exec);
+		else
+			FD_CLR(fd, fdt->close_on_exec);
 		spin_unlock(&files->file_lock);
 		fd_install(fd, file);
 	} else {
@@ -195,7 +199,7 @@ asmlinkage long sys_dup(unsigned int fildes)
 	struct file * file = fget(fildes);
 
 	if (file)
-		ret = dupfd(file, 0);
+		ret = dupfd(file, 0, 0);
 	return ret;
 }
 
@@ -215,7 +219,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
 
 	/* O_NOATIME can only be set by the owner or superuser */
 	if ((arg & O_NOATIME) && !(filp->f_flags & O_NOATIME))
-		if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
+		if (!is_owner_or_cap(inode))
 			return -EPERM;
 
 	/* required for strict SunOS emulation */
@@ -289,7 +293,7 @@ int f_setown(struct file *filp, unsigned long arg, int force)
 		who = -who;
 	}
 	rcu_read_lock();
-	pid = find_pid(who);
+	pid = find_vpid(who);
 	result = __f_setown(filp, pid, type, force);
 	rcu_read_unlock();
 	return result;
@@ -305,7 +309,7 @@ pid_t f_getown(struct file *filp)
 {
 	pid_t pid;
 	read_lock(&filp->f_owner.lock);
-	pid = pid_nr(filp->f_owner.pid);
+	pid = pid_nr_ns(filp->f_owner.pid, current->nsproxy->pid_ns);
 	if (filp->f_owner.pid_type == PIDTYPE_PGID)
 		pid = -pid;
 	read_unlock(&filp->f_owner.lock);
@@ -319,8 +323,9 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
 
 	switch (cmd) {
 	case F_DUPFD:
+	case F_DUPFD_CLOEXEC:
 		get_file(filp);
-		err = dupfd(filp, arg);
+		err = dupfd(filp, arg, cmd == F_DUPFD_CLOEXEC);
 		break;
 	case F_GETFD:
 		err = get_close_on_exec(fd) ? FD_CLOEXEC : 0;
@@ -638,7 +643,7 @@ EXPORT_SYMBOL(kill_fasync);
 static int __init fasync_init(void)
 {
 	fasync_cache = kmem_cache_create("fasync_cache",
-		sizeof(struct fasync_struct), 0, SLAB_PANIC, NULL, NULL);
+		sizeof(struct fasync_struct), 0, SLAB_PANIC, NULL);
 	return 0;
 }