diff options
author | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
commit | 2e00fde5c6ed8535244332ebb55e881baa54ae46 (patch) | |
tree | f578e02ef1dc6e59630f09404bb2f58500876811 /kernel/resource.c | |
parent | 39f0ccde3624e7cf882faccf7f72a47b7a763bfb (diff) | |
parent | 3231e2053eaeee70bdfb216a78a30f11e88e2243 (diff) |
Merge branch 'for-linus' into for-next
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; } |