X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fbinfmt_elf.c;h=abb113e508b5df22064b4da52aabc4c72f8e1d63;hb=ce058d7bb8b637fab8b03e27cee8e1696e8d64b5;hp=55235a69e2016aae4aacce92c4a4480efc18f63f;hpb=8d40237c730b8be87c1b80a5d96b9c603fefa829;p=linux-2.6.git diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 55235a69e..abb113e50 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1055,6 +1055,7 @@ out_free_ph: static int load_elf_library(struct file *file) { struct elf_phdr *elf_phdata; + struct elf_phdr *eppnt; unsigned long elf_bss, bss, len; int retval, error, i, j; struct elfhdr elf_ex; @@ -1078,41 +1079,44 @@ static int load_elf_library(struct file *file) /* j < ELF_MIN_ALIGN because elf_ex.e_phnum <= 2 */ error = -ENOMEM; - elf_phdata = (struct elf_phdr *) kmalloc(j, GFP_KERNEL); + elf_phdata = kmalloc(j, GFP_KERNEL); if (!elf_phdata) goto out; + eppnt = elf_phdata; error = -ENOEXEC; - retval = kernel_read(file, elf_ex.e_phoff, (char *) elf_phdata, j); + retval = kernel_read(file, elf_ex.e_phoff, (char *)eppnt, j); if (retval != j) goto out_free_ph; for (j = 0, i = 0; ip_type == PT_LOAD) j++; + if ((eppnt + i)->p_type == PT_LOAD) + j++; if (j != 1) goto out_free_ph; - while (elf_phdata->p_type != PT_LOAD) elf_phdata++; + while (eppnt->p_type != PT_LOAD) + eppnt++; /* Now use mmap to map the library into memory. */ down_write(¤t->mm->mmap_sem); error = do_mmap(file, - ELF_PAGESTART(elf_phdata->p_vaddr), - (elf_phdata->p_filesz + - ELF_PAGEOFFSET(elf_phdata->p_vaddr)), + ELF_PAGESTART(eppnt->p_vaddr), + (eppnt->p_filesz + + ELF_PAGEOFFSET(eppnt->p_vaddr)), PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE, - (elf_phdata->p_offset - - ELF_PAGEOFFSET(elf_phdata->p_vaddr))); + (eppnt->p_offset - + ELF_PAGEOFFSET(eppnt->p_vaddr))); up_write(¤t->mm->mmap_sem); - if (error != ELF_PAGESTART(elf_phdata->p_vaddr)) + if (error != ELF_PAGESTART(eppnt->p_vaddr)) goto out_free_ph; - elf_bss = elf_phdata->p_vaddr + elf_phdata->p_filesz; + elf_bss = eppnt->p_vaddr + eppnt->p_filesz; padzero(elf_bss); - len = ELF_PAGESTART(elf_phdata->p_filesz + elf_phdata->p_vaddr + ELF_MIN_ALIGN - 1); - bss = elf_phdata->p_memsz + elf_phdata->p_vaddr; + len = ELF_PAGESTART(eppnt->p_filesz + eppnt->p_vaddr + ELF_MIN_ALIGN - 1); + bss = eppnt->p_memsz + eppnt->p_vaddr; if (bss > len) do_brk(len, bss - len); error = 0;