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eth/r8152: free previous memory if r8152_eth_probe fail

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The r8152_eth_probe() may allocate a memory for ss->dev_priv.
It has to be freed if r8152_eth_probe() fails finally.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
This commit is contained in:
Hayes Wang 2020-12-16 17:03:22 +08:00 committed by Marek Vasut
parent 621ed49d3a
commit 17d5a461a0
1 changed files with 7 additions and 2 deletions
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9
drivers/usb/eth/r8152.c
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@ -1647,7 +1647,7 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
!ss->ep_in || !ss->ep_out || !ss->ep_int) {
debug("Problems with device\n");
return 0;
goto error;
}
dev->privptr = (void *)ss;
@ -1659,7 +1659,7 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
r8152b_get_version(tp);
if (rtl_ops_init(tp))
return 0;
goto error;
tp->rtl_ops.init(tp);
tp->rtl_ops.up(tp);
@ -1669,6 +1669,11 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
DUPLEX_FULL);
return 1;
error:
cfree(ss->dev_priv);
ss->dev_priv = 0;
return 0;
}
int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss,