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Change History

In the Linux kernel, the following vulnerability has been resolved:

soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()

In mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,
the function returns immediately without freeing the allocated memory
for sys_controller, leading to a memory leak.

Fix this by jumping to the out_free label to ensure the memory is
properly freed.

Also, consolidate the error handling for the mbox_request_channel()
failure case to use the same label.

https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1

https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd

https://git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0

https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15