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restore: Simplify try_fixup_file_map

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov 2011-09-28 16:49:59 +04:00
parent 6978194642
commit 4727c73984
1 changed files with 15 additions and 12 deletions
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27
cr-restore.c
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@ -588,23 +588,26 @@ static int prepare_shmem(int pid)
return 0;
}
static int try_fixup_file_map(int pid, struct vma_entry *vi, int fd)
static int try_fixup_file_map(int pid, struct vma_entry *vma_entry, int fd)
{
struct fmap_fd *fmfd;
struct fmap_fd *fmap_fd = pop_fmap_fd(pid, vma_entry->start);
fmfd = pop_fmap_fd(pid, vi->start);
if (fmfd != NULL) {
pr_info("%d: Fixing %lx vma to %d fd\n", pid, vi->start, fmfd->fd);
lseek(fd, -sizeof(*vi), SEEK_CUR);
vi->fd = fmfd->fd;
if (write(fd, vi, sizeof(*vi)) != sizeof(*vi)) {
perror("Can't write img");
return 1;
}
free(fmfd);
if (fmap_fd) {
pr_info("%d: Fixing %lx vma to %d fd\n",
pid, vma_entry->start, fmap_fd->fd);
lseek(fd, -sizeof(*vma_entry), SEEK_CUR);
vma_entry->fd = fmap_fd->fd;
write_ptr_safe(fd, &vma_entry, err);
free(fmap_fd);
}
return 0;
err:
pr_perror("%d: Can't fixup vma\n", pid);
return 1;
}
static int try_fixup_shared_map(int pid, struct vma_entry *vi, int fd)