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authorIngo Molnar <mingo@kernel.org>2016-05-04 08:48:26 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-04 08:48:26 +0200
commitd63c214b0a39e7e92fbae2a47b66e8145c3c9c81 (patch)
treeca797379eeb01c96308c8e2abdcea3b55040d489 /kernel/resource.c
parent47a541c3e19374ec9f5d3d96730a922e8480dda5 (diff)
parent04974df8049fc4240d22759a91e035082ccd18b4 (diff)
downloadlinux-d63c214b0a39e7e92fbae2a47b66e8145c3c9c81.tar.bz2
Merge tag 'v4.6-rc6' into x86/platform, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c13
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;
}