diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/livepatch/livepatch-shadow-fix1.c | 5 | ||||
| -rw-r--r-- | samples/livepatch/livepatch-shadow-mod.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/samples/livepatch/livepatch-shadow-fix1.c b/samples/livepatch/livepatch-shadow-fix1.c index 49b13553eaae..e8f1bd6b29b1 100644 --- a/samples/livepatch/livepatch-shadow-fix1.c +++ b/samples/livepatch/livepatch-shadow-fix1.c @@ -89,6 +89,11 @@ struct dummy *livepatch_fix1_dummy_alloc(void) * pointer to handle resource release. */ leak = kzalloc(sizeof(int), GFP_KERNEL); + if (!leak) { + kfree(d); + return NULL; + } + klp_shadow_alloc(d, SV_LEAK, sizeof(leak), GFP_KERNEL, shadow_leak_ctor, leak); diff --git a/samples/livepatch/livepatch-shadow-mod.c b/samples/livepatch/livepatch-shadow-mod.c index 4c54b250332d..4aa8a88d3cd6 100644 --- a/samples/livepatch/livepatch-shadow-mod.c +++ b/samples/livepatch/livepatch-shadow-mod.c @@ -118,6 +118,10 @@ noinline struct dummy *dummy_alloc(void) /* Oops, forgot to save leak! */ leak = kzalloc(sizeof(int), GFP_KERNEL); + if (!leak) { + kfree(d); + return NULL; + } pr_info("%s: dummy @ %p, expires @ %lx\n", __func__, d, d->jiffies_expire); |