diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/kexec_file.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 269116fd932c..75d8e7cf040e 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -730,8 +730,8 @@ static int kexec_purgatory_setup_kbuf(struct purgatory_info *pi, int i, ret; sechdrs = (void *)pi->ehdr + pi->ehdr->e_shoff; - bss_align = 1; - bss_sz = 0; + kbuf->buf_align = bss_align = 1; + kbuf->bufsz = bss_sz = 0; for (i = 0; i < pi->ehdr->e_shnum; i++) { if (!(sechdrs[i].sh_flags & SHF_ALLOC)) @@ -763,7 +763,6 @@ static int kexec_purgatory_setup_kbuf(struct purgatory_info *pi, ret = kexec_add_buffer(kbuf); if (ret) goto out; - pi->purgatory_load_addr = kbuf->mem; return 0; out: @@ -901,27 +900,32 @@ static int kexec_apply_relocations(struct kimage *image) return 0; } -/* Load relocatable purgatory object and relocate it appropriately */ -int kexec_load_purgatory(struct kimage *image, unsigned long min, - unsigned long max, int top_down, - unsigned long *load_addr) +/* + * kexec_load_purgatory - Load and relocate the purgatory object. + * @image: Image to add the purgatory to. + * @kbuf: Memory parameters to use. + * + * Allocates the memory needed for image->purgatory_info.sechdrs and + * image->purgatory_info.purgatory_buf/kbuf->buffer. Caller is responsible + * to free the memory after use. + * + * Return: 0 on success, negative errno on error. + */ +int kexec_load_purgatory(struct kimage *image, struct kexec_buf *kbuf) { struct purgatory_info *pi = &image->purgatory_info; int ret; - struct kexec_buf kbuf = { .image = image, .bufsz = 0, .buf_align = 1, - .buf_min = min, .buf_max = max, - .top_down = top_down }; if (kexec_purgatory_size <= 0) return -EINVAL; pi->ehdr = (const Elf_Ehdr *)kexec_purgatory; - ret = kexec_purgatory_setup_kbuf(pi, &kbuf); + ret = kexec_purgatory_setup_kbuf(pi, kbuf); if (ret) return ret; - ret = kexec_purgatory_setup_sechdrs(pi, &kbuf); + ret = kexec_purgatory_setup_sechdrs(pi, kbuf); if (ret) goto out_free_kbuf; @@ -929,7 +933,6 @@ int kexec_load_purgatory(struct kimage *image, unsigned long min, if (ret) goto out; - *load_addr = pi->purgatory_load_addr; return 0; out: vfree(pi->sechdrs); |