acct: check FMODE_CAN_WRITE

it's not calling ->write() directly anymore. Signed-off-by: Al Viro <[email protected]>
fracktal · Apr 12, 2015 · d0f88f8 · d0f88f8
1 parent 47e3936
commit d0f88f8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/acct.c b/kernel/acct.c
@@ -213,7 +213,7 @@ static int acct_on(struct filename *pathname)
 		return -EACCES;
 	}
 
-	if (!file->f_op->write) {
+	if (!(file->f_mode & FMODE_CAN_WRITE)) {
 		kfree(acct);
 		filp_close(file, NULL);
 		return -EIO;