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-rw-r--r--drivers/staging/ozwpan/ozusbsvc1.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/ozwpan/ozusbsvc1.c b/drivers/staging/ozwpan/ozusbsvc1.c
index 5cb8d0de68c2..e97e2b270d2b 100644
--- a/drivers/staging/ozwpan/ozusbsvc1.c
+++ b/drivers/staging/ozwpan/ozusbsvc1.c
@@ -326,7 +326,10 @@ static void oz_usb_handle_ep_data(struct oz_usb_ctx *usb_ctx,
struct oz_multiple_fixed *body =
(struct oz_multiple_fixed *)data_hdr;
u8 *data = body->data;
- int n = (len - sizeof(struct oz_multiple_fixed)+1)
+ int n;
+ if (!body->unit_size)
+ break;
+ n = (len - sizeof(struct oz_multiple_fixed)+1)
/ body->unit_size;
while (n--) {
oz_hcd_data_ind(usb_ctx->hport, body->endpoint,