From 2c3cc503561763db289583072a54db3eb4eedffe Mon Sep 17 00:00:00 2001
From: Koushik Dutta <koushd@gmail.com>
Date: Fri, 21 May 2010 10:11:05 -0700
Subject: [PATCH] add a utility erase_image. possible fix for d/s flashing bug
 from zinx

---
 mtdutils/Android.mk    | 10 ++++++++++
 mtdutils/flash_image.c |  4 ++++
 2 files changed, 14 insertions(+)

diff --git a/mtdutils/Android.mk b/mtdutils/Android.mk
index 8da86a8..6dedcfb 100644
--- a/mtdutils/Android.mk
+++ b/mtdutils/Android.mk
@@ -77,6 +77,16 @@ LOCAL_STATIC_LIBRARIES := libmtdutils libcutils libc
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 include $(BUILD_EXECUTABLE)
 
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := erase_image.c
+LOCAL_MODULE := utility_erase_image
+LOCAL_MODULE_CLASS := UTILITY_EXECUTABLES
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)/utilities
+LOCAL_UNSTRIPPED_PATH := $(PRODUCT_OUT)/symbols/utilities
+LOCAL_MODULE_STEM := erase_image
+LOCAL_STATIC_LIBRARIES := libmtdutils libcutils libc
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+include $(BUILD_EXECUTABLE)
 
 endif	# TARGET_ARCH == arm
 endif	# !TARGET_SIMULATOR
diff --git a/mtdutils/flash_image.c b/mtdutils/flash_image.c
index c776876..4684683 100644
--- a/mtdutils/flash_image.c
+++ b/mtdutils/flash_image.c
@@ -121,6 +121,10 @@ int main(int argc, char **argv) {
     size_t block_size;
     if (mtd_partition_info(partition, NULL, &block_size, NULL))
         die("error getting %s block size", argv[1]);
+        
+    // Zinx says this fixes noncongiuous memory allocation issues?
+    if (block_size > 2048)
+        block_size = 2048;
 
     if (lseek(fd, headerlen, SEEK_SET) != headerlen)
         die("error rewinding %s", argv[2]);