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Commit 0b884d25 authored by Al Viro's avatar Al Viro
Browse files

sel_write_validatetrans(): don't open-code memdup_user_nul() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2ea659a9

security/selinux/selinuxfs.c

+5 −7
Original line number Diff line number Diff line
@@ -656,14 +656,12 @@ static ssize_t sel_write_validatetrans(struct file *file, 
	if (*ppos != 0)

		goto out;



	rc = -ENOMEM;

	req = kzalloc(count + 1, GFP_KERNEL);

	if (!req)

		goto out;



	rc = -EFAULT;

	if (copy_from_user(req, buf, count))

	req = memdup_user_nul(buf, count);

	if (IS_ERR(req)) {

		rc = PTR_ERR(req);

		req = NULL;

		goto out;

	}



	rc = -ENOMEM;

	oldcon = kzalloc(count + 1, GFP_KERNEL);