switch xattr syscalls to fget_light/fput_light (7449af1e) · Commits · e / devices / android_kernel_teracube_2e

fs/xattr.c

+12 −8

Original line number	Diff line number	Diff line
		@@ -399,11 +399,12 @@ 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 dentry *dentry;
		int error = -EBADF;

		f = fget(fd);
		f = fget_light(fd, &fput_needed);
		if (!f)
		return error;
		dentry = f->f_path.dentry;
		@@ -413,7 +414,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
		error = setxattr(dentry, name, value, size, flags);
		mnt_drop_write_file(f);
		}
		fput(f);
		fput_light(f, fput_needed);
		return error;
		}

		@@ -486,15 +487,16 @@ 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;
		ssize_t error = -EBADF;

		f = fget(fd);
		f = fget_light(fd, &fput_needed);
		if (!f)
		return error;
		audit_inode(NULL, f->f_path.dentry);
		error = getxattr(f->f_path.dentry, name, value, size);
		fput(f);
		fput_light(f, fput_needed);
		return error;
		}

		@@ -566,15 +568,16 @@ 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;
		ssize_t error = -EBADF;

		f = fget(fd);
		f = fget_light(fd, &fput_needed);
		if (!f)
		return error;
		audit_inode(NULL, f->f_path.dentry);
		error = listxattr(f->f_path.dentry, list, size);
		fput(f);
		fput_light(f, fput_needed);
		return error;
		}

		@@ -634,11 +637,12 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname,

		SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
		{
		int fput_needed;
		struct file *f;
		struct dentry *dentry;
		int error = -EBADF;

		f = fget(fd);
		f = fget_light(fd, &fput_needed);
		if (!f)
		return error;
		dentry = f->f_path.dentry;
		@@ -648,7 +652,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
		error = removexattr(dentry, name);
		mnt_drop_write_file(f);
		}
		fput(f);
		fput_light(f, fput_needed);
		return error;
		}