Anonymous committed c8a0118

f_fs: ffs_func_free: cleanup requests allocated by autoconfig

functionfs was leaking request objects created by autoconfig.

Bug: 8659094

Change-Id: I641326cb5cb26e0a2ffa082cd2be2c21c66c38e5
Signed-off-by: Peter Korsgaard <>
Signed-off-by: Felipe Balbi <>
Signed-off-by: Benoit Goby <>

Comments (0)

Files changed (1)


 static void ffs_func_free(struct ffs_function *func)
+	struct ffs_ep *ep         = func->eps;
+	unsigned count            = func->ffs->eps_count;
+	unsigned long flags;
+	/* cleanup after autoconfig */
+	spin_lock_irqsave(&func->ffs->eps_lock, flags);
+	do {
+		if (ep->ep && ep->req)
+			usb_ep_free_request(ep->ep, ep->req);
+		ep->req = NULL;
+		++ep;
+	} while (--count);
+	spin_unlock_irqrestore(&func->ffs->eps_lock, flags);
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