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Thorsten BlumandBorislav Petkov (AMD)
9a4af5a00a
Replace the deprecated simple_strtoul()¹ with kstrtoul() for parsing the early boot parameter mtrr_spare_reg_nr. simple_strtoul() silently sets nr_mtrr_spare_reg to 0 for invalid input instead of rejecting it and keeping the default value. Return kstrtoul()'s retval directly to propagate parsing failures instead of treating them as success. Also return -EINVAL when '=' is missing from the boot parameter and 'arg' is NULL. ¹ https://www.kernel.org/doc/html/latest/process/deprecated.html#simple-strtol-simple-strtoll-simple-strtoul-simple-strtoull [ bp: Massage commit message. ] Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://patch.msgid.link/20260302135341.3473-2-thorsten.blum@linux.dev