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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-05-17 21:12:50 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-05-17 21:12:50 -0400 |
| commit | e7ca7f9fa2cda220ba807620c992ce77c33a32ea (patch) | |
| tree | fb8a6c1abc638c5a79645f4b9f44ece7c67187b4 /kernel/resource.c | |
| parent | 5f0dfb7a9bcc8139958f59ecb9bbd7e738ae702d (diff) | |
| parent | d65c8fff867a6450c58ce31572e883148a445ddf (diff) | |
Merge branch 'fixes' into misc
Diffstat (limited to 'kernel/resource.c')
| -rw-r--r-- | kernel/resource.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/resource.c b/kernel/resource.c index 2e78ead30934..9b5f04404152 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -105,16 +105,25 @@ static int r_show(struct seq_file *m, void *v) { struct resource *root = m->private; struct resource *r = v, *p; + unsigned long long start, end; int width = root->end < 0x10000 ? 4 : 8; int depth; for (depth = 0, p = r; depth < MAX_IORES_LEVEL; depth++, p = p->parent) if (p->parent == root) break; + + if (file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN)) { + start = r->start; + end = r->end; + } else { + start = end = 0; + } + seq_printf(m, "%*s%0*llx-%0*llx : %s\n", depth * 2, "", - width, (unsigned long long) r->start, - width, (unsigned long long) r->end, + width, start, + width, end, r->name ? r->name : "<BAD>"); return 0; } |