29 lines
989 B
Diff
29 lines
989 B
Diff
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From: Li Qiang <liqiang6-s@360.cn>
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Date: Tue, 8 Nov 2016 04:11:10 -0800
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Subject: [PATCH] usb: ehci: fix memory leak in ehci_init_transfer
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In ehci_init_transfer function, if the 'cpage' is bigger than 4,
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it doesn't free the 'p->sgl' once allocated previously thus leading
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a memory leak issue. This patch avoid this.
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Signed-off-by: Li Qiang <liqiang6-s@360.cn>
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Message-id: 5821c0f4.091c6b0a.e0c92.e811@mx.google.com
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 791f97758e223de3290592d169f8e6339c281714)
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---
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hw/usb/hcd-ehci.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index f4ece9a..7622a3a 100644
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--- a/hw/usb/hcd-ehci.c
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+++ b/hw/usb/hcd-ehci.c
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@@ -1190,6 +1190,7 @@ static int ehci_init_transfer(EHCIPacket *p)
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while (bytes > 0) {
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if (cpage > 4) {
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fprintf(stderr, "cpage out of range (%d)\n", cpage);
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+ qemu_sglist_destroy(&p->sgl);
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return -1;
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}
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