diff options
Diffstat (limited to 'kernel/livepatch/core.c')
| -rw-r--r-- | kernel/livepatch/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 1e1d87ead55c..c3512e7e0801 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -22,6 +22,7 @@ #include <asm/cacheflush.h> #include "core.h" #include "patch.h" +#include "state.h" #include "transition.h" /* @@ -1009,6 +1010,13 @@ int klp_enable_patch(struct klp_patch *patch) mutex_lock(&klp_mutex); + if (!klp_is_patch_compatible(patch)) { + pr_err("Livepatch patch (%s) is not compatible with the already installed livepatches.\n", + patch->mod->name); + mutex_unlock(&klp_mutex); + return -EINVAL; + } + ret = klp_init_patch_early(patch); if (ret) { mutex_unlock(&klp_mutex); |