From 65bae45b245d8d6dcf5d9a923a5bbd83a76c4f08 Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <stepan@openbios.org>
Date: Mon, 5 Jun 2006 19:40:05 +0000
Subject: [PATCH] safe filedescriptors

git-svn-id: svn://coreboot.org/openbios/openbios-devel@44 f158a5a8-5612-0410-a976-696ce0be7e32
---
 arch/sparc32/aoutload.c   | 1 +
 arch/sparc32/elfload.c    | 2 ++
 arch/sparc32/linux_load.c | 4 +++-
 arch/sparc32/loadfs.c     | 9 +++++++++
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/sparc32/aoutload.c b/arch/sparc32/aoutload.c
index 625c390..4484c17 100644
--- a/arch/sparc32/aoutload.c
+++ b/arch/sparc32/aoutload.c
@@ -139,5 +139,6 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
     retval = 0;
 
 out:
+    file_close();
     return retval;
 }
diff --git a/arch/sparc32/elfload.c b/arch/sparc32/elfload.c
index 6a2c3ce..9553f26 100644
--- a/arch/sparc32/elfload.c
+++ b/arch/sparc32/elfload.c
@@ -127,6 +127,7 @@ static unsigned long process_image_notes(Elf_phdr *phdr, int phnum,
 	}
     }
 out:
+    file_close();
     if (buf)
 	free(buf);
     return retval;
@@ -402,6 +403,7 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
     retval = 0;
 
 out:
+    file_close();
     if (phdr)
 	free(phdr);
     if (boot_notes)
diff --git a/arch/sparc32/linux_load.c b/arch/sparc32/linux_load.c
index 035dd3c..d64bd89 100644
--- a/arch/sparc32/linux_load.c
+++ b/arch/sparc32/linux_load.c
@@ -589,8 +589,10 @@ int linux_load(struct sys_info *info, const char *file, const char *cmdline)
 	return -1;
 
     kern_addr = load_linux_header(&hdr);
-    if (kern_addr == 0)
+    if (kern_addr == 0) {
+	file_close();
 	return LOADER_NOT_SUPPORT;
+    }
 
     params = phys_to_virt(LINUX_PARAM_LOC);
     init_linux_params(params, &hdr);
diff --git a/arch/sparc32/loadfs.c b/arch/sparc32/loadfs.c
index 00fd093..d9bfbb4 100644
--- a/arch/sparc32/loadfs.c
+++ b/arch/sparc32/loadfs.c
@@ -13,6 +13,15 @@ int file_open(const char *filename)
 	return load_fd>-1;
 }
 
+void file_close(void)
+{
+	if(load_fd==-1) 
+		return;
+	
+	close_io(load_fd);
+	load_fd=-1;
+}
+
 int lfile_read(void *buf, unsigned long len)
 {
 	int ret = 0;