kernel/kexec_file.c: remove checks in kexec_purgatory_load

[linux.git] / kernel / kexec_file.c

diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index b06b1fac5252c95dbcf4aba0cb842868a55b9f86..81ba4f782486c83dd1886e377d89cf0df67f6401 100644 (file)
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -941,22 +941,8 @@ int kexec_load_purgatory(struct kimage *image, unsigned long min,
        if (kexec_purgatory_size <= 0)
                return -EINVAL;
 
-       if (kexec_purgatory_size < sizeof(Elf_Ehdr))
-               return -ENOEXEC;
-
        pi->ehdr = (Elf_Ehdr *)kexec_purgatory;
 
-       if (memcmp(pi->ehdr->e_ident, ELFMAG, SELFMAG) != 0
-           || pi->ehdr->e_type != ET_REL
-           || !elf_check_arch(pi->ehdr)
-           || pi->ehdr->e_shentsize != sizeof(Elf_Shdr))
-               return -ENOEXEC;
-
-       if (pi->ehdr->e_shoff >= kexec_purgatory_size
-           || (pi->ehdr->e_shnum * sizeof(Elf_Shdr) >
-           kexec_purgatory_size - pi->ehdr->e_shoff))
-               return -ENOEXEC;
-
        ret = __kexec_load_purgatory(image, min, max, top_down);
        if (ret)
                return ret;