X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fxattr.c;h=14a7e2544fe36d717d089b81d064376ae49aec18;hb=2903ff019b346ab8d36ebbf54853c3aaf6590608;hp=4d45b7189e7eaa352da0567b8fe4a2d1b738c999;hpb=bbeb0af25f493261c15ceee176c99b7fd6fd5479;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/xattr.c b/fs/xattr.c
index 4d45b7189e7e..14a7e2544fe3 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -399,22 +399,20 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
 SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
 		const void __user *,value, size_t, size, int, flags)
 {
-	int fput_needed;
-	struct file *f;
+	struct fd f = fdget(fd);
 	struct dentry *dentry;
 	int error = -EBADF;
 
-	f = fget_light(fd, &fput_needed);
-	if (!f)
+	if (!f.file)
 		return error;
-	dentry = f->f_path.dentry;
+	dentry = f.file->f_path.dentry;
 	audit_inode(NULL, dentry);
-	error = mnt_want_write_file(f);
+	error = mnt_want_write_file(f.file);
 	if (!error) {
 		error = setxattr(dentry, name, value, size, flags);
-		mnt_drop_write_file(f);
+		mnt_drop_write_file(f.file);
 	}
-	fput_light(f, fput_needed);
+	fdput(f);
 	return error;
 }
 
@@ -495,16 +493,14 @@ SYSCALL_DEFINE4(lgetxattr, const char __user *, pathname,
 SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,
 		void __user *, value, size_t, size)
 {
-	int fput_needed;
-	struct file *f;
+	struct fd f = fdget(fd);
 	ssize_t error = -EBADF;
 
-	f = fget_light(fd, &fput_needed);
-	if (!f)
+	if (!f.file)
 		return error;
-	audit_inode(NULL, f->f_path.dentry);
-	error = getxattr(f->f_path.dentry, name, value, size);
-	fput_light(f, fput_needed);
+	audit_inode(NULL, f.file->f_path.dentry);
+	error = getxattr(f.file->f_path.dentry, name, value, size);
+	fdput(f);
 	return error;
 }
 
@@ -576,16 +572,14 @@ SYSCALL_DEFINE3(llistxattr, const char __user *, pathname, char __user *, list,
 
 SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size)
 {
-	int fput_needed;
-	struct file *f;
+	struct fd f = fdget(fd);
 	ssize_t error = -EBADF;
 
-	f = fget_light(fd, &fput_needed);
-	if (!f)
+	if (!f.file)
 		return error;
-	audit_inode(NULL, f->f_path.dentry);
-	error = listxattr(f->f_path.dentry, list, size);
-	fput_light(f, fput_needed);
+	audit_inode(NULL, f.file->f_path.dentry);
+	error = listxattr(f.file->f_path.dentry, list, size);
+	fdput(f);
 	return error;
 }
 
@@ -645,22 +639,20 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname,
 
 SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
 {
-	int fput_needed;
-	struct file *f;
+	struct fd f = fdget(fd);
 	struct dentry *dentry;
 	int error = -EBADF;
 
-	f = fget_light(fd, &fput_needed);
-	if (!f)
+	if (!f.file)
 		return error;
-	dentry = f->f_path.dentry;
+	dentry = f.file->f_path.dentry;
 	audit_inode(NULL, dentry);
-	error = mnt_want_write_file(f);
+	error = mnt_want_write_file(f.file);
 	if (!error) {
 		error = removexattr(dentry, name);
-		mnt_drop_write_file(f);
+		mnt_drop_write_file(f.file);
 	}
-	fput_light(f, fput_needed);
+	fdput(f);
 	return error;
 }