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usbredir: fix free call

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data might point into the middle of a larger buffer, there is a separate
free_on_destroy pointer passed into bufp_alloc() to handle that.  It is
only used in the normal workflow though, not when dropping packets due
to the queue being full.  Fix that.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/491
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210722072756.647673-1-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2021-07-22 09:27:56 +02:00
parent 8a2d766f05
commit 5e796671e6
1 changed files with 1 additions and 1 deletions
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2
hw/usb/redirect.c
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@ -476,7 +476,7 @@ static int bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len,
if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) {
if (dev->endpoint[EP2I(ep)].bufpq_size >
dev->endpoint[EP2I(ep)].bufpq_target_size) {
free(data);
free(free_on_destroy);
return -1;
}
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;