diff options
Diffstat (limited to 'kernel/kexec_file.c')
| -rw-r--r-- | kernel/kexec_file.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 69ee4a29136f..881ba0d1714c 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -867,6 +867,7 @@ static int kexec_purgatory_setup_sechdrs(struct purgatory_info *pi, { unsigned long bss_addr; unsigned long offset; + size_t sechdrs_size; Elf_Shdr *sechdrs; int i; @@ -874,11 +875,11 @@ static int kexec_purgatory_setup_sechdrs(struct purgatory_info *pi, * The section headers in kexec_purgatory are read-only. In order to * have them modifiable make a temporary copy. */ - sechdrs = vzalloc(array_size(sizeof(Elf_Shdr), pi->ehdr->e_shnum)); + sechdrs_size = array_size(sizeof(Elf_Shdr), pi->ehdr->e_shnum); + sechdrs = vzalloc(sechdrs_size); if (!sechdrs) return -ENOMEM; - memcpy(sechdrs, (void *)pi->ehdr + pi->ehdr->e_shoff, - pi->ehdr->e_shnum * sizeof(Elf_Shdr)); + memcpy(sechdrs, (void *)pi->ehdr + pi->ehdr->e_shoff, sechdrs_size); pi->sechdrs = sechdrs; offset = 0; |