usb: ehci: fix memory leak in ehci_init_transfer
In ehci_init_transfer function, if the 'cpage' is bigger than 4, it doesn't free the 'p->sgl' once allocated previously thus leading a memory leak issue. This patch avoid this. Signed-off-by: Li Qiang <liqiang6-s@360.cn> Message-id: 5821c0f4.091c6b0a.e0c92.e811@mx.google.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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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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while (bytes > 0) {
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if (cpage > 4) {
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if (cpage > 4) {
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fprintf(stderr, "cpage out of range (%d)\n", cpage);
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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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return -1;
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}
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}
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