Error checking fixes, minor bug in keyed stream, minor bug in checkpoint

[palacios.git] / linux_module / iface-file.c

diff --git a/linux_module/iface-file.c b/linux_module/iface-file.c
index b446916..78c4e0b 100644 (file)
--- a/linux_module/iface-file.c
+++ b/linux_module/iface-file.c
@@ -161,7 +161,7 @@ static int palacios_file_mkdir(const char * pathname, unsigned short perms, int
     {
        dentry = kern_path_create(AT_FDCWD, pathname, &tmp_path, 1);
        
-       if (IS_ERR(dentry)) {
+       if (!dentry || IS_ERR(dentry)) {
            return 0;
        }
        
@@ -170,7 +170,7 @@ static int palacios_file_mkdir(const char * pathname, unsigned short perms, int
 #endif    
 
 
-    if (!IS_ERR(dentry)) {
+    if (!(!dentry || IS_ERR(dentry))) {
        ret = vfs_mkdir(path_ptr->dentry->d_inode, dentry, perms);
     }
 
@@ -220,7 +220,7 @@ static void * palacios_file_open(const char * path, int mode, void * private_dat
 
     pfile->filp = filp_open(path, pfile->mode, 0);
     
-    if (IS_ERR(pfile->filp)) {
+    if (!pfile->filp || IS_ERR(pfile->filp)) {
        ERROR("Cannot open file: %s\n", path);
        palacios_free(pfile);
        return NULL;