CVE-2026-23260 regmap: maple: free entry on mas_store_gfp() failure

In the Linux kernel, the following vulnerability has been resolved: regmap: maple: free entry on masstoregfp failure regcachemaplewrite allocates a new block 'entry' to merge adjacent ranges and then stores it with masstoregfp. When masstoregfp fails, the new 'entry' remains allocated and is neve...