mirror of https://github.com/acidanthera/audk.git
b659b503fa
When "reconnect -r" is typed in shell, UsbFreeInterface() is called to uninstall the UsbIo and DevicePath. But When a UsbIo is opened by a driver and that driver rejects to close the UsbIo in Stop(), the uninstall doesn't succeed. But UsbFreeInterface () frees the DevicePath memory without check whether the uninstall succeeds. It leads to the DXE core database contain a DevicePath instance but that instance's memory is freed. Assertion happens when someone calls InstallProtocol(DevicePath) because the InstallProtocol() checks all DevicePath instance to find whether the same one exits in database. We haven't seen any USB device driver which rejects to close UsbIo in Stop(), but it's very likely. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> |
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| .. | ||
| Application | ||
| Bus | ||
| Core | ||
| Include | ||
| Library | ||
| Logo | ||
| Universal | ||
| Contributions.txt | ||
| License.txt | ||
| MdeModulePkg.dec | ||
| MdeModulePkg.dsc | ||
| MdeModulePkg.uni | ||
| MdeModulePkgExtra.uni | ||