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path: root/drivers/usb/core/urb.c
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Diffstat (limited to 'drivers/usb/core/urb.c')
-rw-r--r--drivers/usb/core/urb.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index f51750bcd152..0eab79f82ce4 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -70,9 +70,8 @@ struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
{
struct urb *urb;
- urb = kmalloc(sizeof(struct urb) +
- iso_packets * sizeof(struct usb_iso_packet_descriptor),
- mem_flags);
+ urb = kmalloc(struct_size(urb, iso_frame_desc, iso_packets),
+ mem_flags);
if (!urb)
return NULL;
usb_init_urb(urb);