Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:[EOL][EOL]mmc: omap_hsmmc: fix return value check of mmc_add_host()[EOL][EOL]mmc_add_host() may return error, if we ignore its return value,[EOL]it will lead two issues:[EOL]1. The memory that allocated in mmc_alloc_host() is leaked.[EOL]2. In the remove() path, mmc_remove_host() will be called to[EOL]   delete device, but it's not added yet, it will lead a kernel[EOL]   crash because of null-ptr-deref in device_del().[EOL][EOL]Fix this by checking the return value and goto error path wihch[EOL]will call mmc_free_host().