4 files changed, 6 insertions, 5 deletions
diff --git a/src/kernel/core/kmain.cpp b/src/kernel/core/kmain.cpp
index 314c033..9ec06df 100644
--- a/src/kernel/core/kmain.cpp
+++ b/src/kernel/core/kmain.cpp
@@ -77,15 +77,15 @@ extern "C" void kmain(multiboot_info_t* mbd, int32_t magic) {
 	*ke_vt << "Loading modules :\n";
 	for (unsigned i = 0; i < mbd->mods_count; i++) {
 		*ke_vt << " * " << (char*)mods[i].string;
-		if (elf_check((uint8_t*)mods[i].mod_start)) {
-			*ke_vt << " : Invalid ELF file\n";
-		} else {
+		if (elf_check((uint8_t*)mods[i].mod_start) == 0) {
 			process *pr = elf_exec((uint8_t*)mods[i].mod_start, PL_USER);
 			if (pr == 0) {
 				*ke_vt << " : Error loading\n";
 			} else {
 				*ke_vt << " : OK, pid=" << (int)pr->pid << "\n";
 			}
+		} else {
+			*ke_vt << " : Invalid ELF file\n";
 		}
 	}
 
diff --git a/src/kernel/linker/elf.cpp b/src/kernel/linker/elf.cpp
index c6aebaa..0375e40 100644
--- a/src/kernel/linker/elf.cpp
+++ b/src/kernel/linker/elf.cpp
@@ -7,7 +7,7 @@
 int elf_check(uint8_t *data) {
 	elf_ehdr *h = (elf_ehdr*)data;
 	if (h->e_ident[0] == 0x7F && h->e_ident[1] == 'E' && h->e_ident[2] == 'L' && h->e_ident[3] == 'F') return 0;
-	return 1;
+	return -1;
 }
 
 thread_entry elf_load(uint8_t *data, process* process) {
diff --git a/src/kernel/linker/elf.h b/src/kernel/linker/elf.h
index bb61795..184f410 100644
--- a/src/kernel/linker/elf.h
+++ b/src/kernel/linker/elf.h
@@ -56,7 +56,7 @@ struct phdr {
 	uint8_t* data;
 };
 
-int elf_check(uint8_t *data);	//0 if ok, 1 if not a valid ELF
+int elf_check(uint8_t *data);	//0 if ok, -1 if not a valid ELF
 thread_entry elf_load(uint8_t *data, process* process);	//Load an ELF to a process, return entry point
 process* elf_exec(uint8_t *data, int privilege);	//Creates a new process and a thread for running ELF file
 
diff --git a/src/kernel/task/sched.cpp b/src/kernel/task/sched.cpp
index 2629a33..d7e16d2 100644
--- a/src/kernel/task/sched.cpp
+++ b/src/kernel/task/sched.cpp
@@ -1,6 +1,7 @@
 #include "sched.h"
 #include <core/sys.h>
 #include <mem/mem.h>
+#include <ui/vt.h>
 
 // Lower priority numbers have high priority. Priorities must start at 0.
 #define PRIORITIES 3		// we have 3 priority levels