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ehci-hcd: fix memory leak in lowlevel init

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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>
This commit is contained in:
Nikita Kiryanov 2013-07-29 13:27:40 +03:00 committed by Marek Vasut
parent 0adc331b37
commit 8bc3603675
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/host/ehci-hcd.c
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@ -945,7 +945,9 @@ int usb_lowlevel_init(int index, void **controller)
* 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++) {