CVE-2026-43297 media: rockchip: rga: Fix possible ERR_PTR dereference in rga_buf_init()

In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rga: Fix possible ERRPTR dereference in rgabufinit rgagetframe can return ERRPTR-EINVAL when buffer type is unsupported or invalid. rgabufinit does not check the return value and unconditionally dereferences the...