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-rw-r--r--kernel/kexec_file.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 145321a5e798..f9261c07b048 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -29,6 +29,15 @@
#include <linux/vmalloc.h>
#include "kexec_internal.h"
+#ifdef CONFIG_KEXEC_SIG
+static bool sig_enforce = IS_ENABLED(CONFIG_KEXEC_SIG_FORCE);
+
+void set_kexec_sig_enforced(void)
+{
+ sig_enforce = true;
+}
+#endif
+
static int kexec_calculate_store_digests(struct kimage *image);
/*
@@ -159,7 +168,7 @@ kimage_validate_signature(struct kimage *image)
image->kernel_buf_len);
if (ret) {
- if (IS_ENABLED(CONFIG_KEXEC_SIG_FORCE)) {
+ if (sig_enforce) {
pr_notice("Enforced kernel signature verification failed (%d).\n", ret);
return ret;
}