diff --git a/cpu/i386/tasking.c b/cpu/i386/tasking.c
index 612fe4c..5e8402b 100644
--- a/cpu/i386/tasking.c
+++ b/cpu/i386/tasking.c
@@ -35,7 +35,7 @@ static Task* createTaskKmode(void* eip,char kmode) {
     task->regs.edi=0;
     asm volatile("pushfl; movl (%%esp), %%eax; movl %%eax, %0; popfl;":"=m"(task->regs.eflags)::"%eax");
     task->regs.eip=(uint32_t)eip;
-    task->regs.cr3=new_address_space();
+    task->regs.cr3=(uint32_t)new_address_space();
     uint32_t cr3;
     asm volatile("movl %%cr3, %%eax; movl %%eax, %0;":"=m"(cr3)::"%eax");
     load_address_space(task->regs.cr3);
diff --git a/fs/ext2.c b/fs/ext2.c
index 432c2b8..70b6991 100644
--- a/fs/ext2.c
+++ b/fs/ext2.c
@@ -177,7 +177,7 @@ int write_char(inode node,uint8_t c,uint64_t pos,FILE* f,int num) {
       return EFBIG;
     } else {
       if (node.i_block[blk_idx]==0) {
-          for (int i=0;i<=blk_idx;i++) {
+          for (uint32_t i=0;i<=blk_idx;i++) {
             // node.i_block[blk_idx]=reserve_block(f,num);
             return 0;
           }
@@ -187,7 +187,7 @@ int write_char(inode node,uint8_t c,uint64_t pos,FILE* f,int num) {
     }
   }
   uint32_t offset=pos%blk_size[num];
-  if (blk_idx>12||(node.i_block[blk_idx]==0)) return;
+  if (blk_idx>12||(node.i_block[blk_idx]==0)) return 0;
   uint32_t blk=node.i_block[blk_idx];
   uint8_t* block=read_blk(blk,f,num);
   block[offset]=c;
diff --git a/kernel/kernel.c b/kernel/kernel.c
index 29ac763..83146a2 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -16,6 +16,7 @@
 #include "elf.h"
 #include <errno.h>
 #include "../drivers/ide.h"
+#include "parts.h"
 #include "../fs/ext2.h"
 
 static long initrd_sz;
diff --git a/kernel/parts.c b/kernel/parts.c
index 13d2100..18c5775 100644
--- a/kernel/parts.c
+++ b/kernel/parts.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <klog.h>
 #include "../fs/devfs.h"
 
 typedef struct {
@@ -13,7 +14,7 @@ typedef struct {
   uint32_t length;
 } partition;
 
-static char** part_devs=NULL;
+static const char** part_devs=NULL;
 static partition** parts=NULL;
 static uint32_t num_part_devs=0;
 static uint32_t max_part_devs=0;
@@ -37,7 +38,7 @@ int drv(char* filename,int c,long pos,char wr) {
   char* str=malloc(sizeof(char)*(strlen(filename)+1));
   strcpy(str,filename);
   str[strlen(str)-1]='\0';
-  int i;
+  uint32_t i;
   for (i=0;i<num_part_devs;i++) {
     if (strcmp(part_devs[i]+5,str)==0) {
       break;
@@ -63,7 +64,7 @@ int drv(char* filename,int c,long pos,char wr) {
   } else {
     FILE* f=fopen(part_devs[i],"r");
     fseek(f,pos,SEEK_SET);
-    char* c=fgetc(f);
+    int c=fgetc(f);
     fclose(f);
     return c;
   }