The variables mstart and mend are assigned the values of mem_region[i].start and mem_region[i].end which are of the type unsigned long long. Ensure that mstart and mend are of the same data type to prevent address overflow.
Signed-off-by: Matthew Leach <[email protected]> --- kexec/kexec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kexec/kexec.c b/kexec/kexec.c index 8928be0..c7b38e3 100644 --- a/kexec/kexec.c +++ b/kexec/kexec.c @@ -108,7 +108,7 @@ int valid_memory_range(struct kexec_info *info, return 0; } for (i = 0; i < info->memory_ranges; i++) { - unsigned long mstart, mend; + unsigned long long mstart, mend; /* Only consider memory ranges */ if (info->memory_range[i].type != RANGE_RAM) continue; -- 1.7.12 _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
