ehci-hcd: fix memory leak in lowlevel init
usb_lowlevel_init() allocates a new periodic_list each time it is invoked,
without freeing the original list. Since it is initialized later on in the code,
just reuse the first-allocated list in future invocations of usb_lowlevel_init.
Cc: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 05d3f0b..fdad739 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -945,7 +945,9 @@
* Split Transactions will be spread across microframes using
* S-mask and C-mask.
*/
- ehcic[index].periodic_list = memalign(4096, 1024*4);
+ if (ehcic[index].periodic_list == NULL)
+ ehcic[index].periodic_list = memalign(4096, 1024 * 4);
+
if (!ehcic[index].periodic_list)
return -ENOMEM;
for (i = 0; i < 1024; i++) {