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net/rocker: Plug memory leak in pci_rocker_init()

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pci_rocker_init() leaks a World when the name more than 9 chars,
then return a negative value directly, doesn't make a correct
cleanup. So add a new goto label to fix it.

Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Mao Zhongyi 2017-08-14 11:33:08 +08:00 committed by Jason Wang
parent 107e4b352c
commit 1343a107e4
1 changed files with 3 additions and 1 deletions
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4
hw/net/rocker/rocker.c
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@ -1355,7 +1355,8 @@ static int pci_rocker_init(PCIDevice *dev)
fprintf(stderr,
"rocker: name too long; please shorten to at most %d chars\n",
MAX_ROCKER_NAME_LEN);
return -EINVAL;
err = -EINVAL;
goto err_name_too_long;
}
if (memcmp(&r->fp_start_macaddr, &zero, sizeof(zero)) == 0) {
@ -1414,6 +1415,7 @@ static int pci_rocker_init(PCIDevice *dev)
return 0;
err_name_too_long:
err_duplicate:
rocker_msix_uninit(r);
err_msix_init: