On Jun 26, 2008, at 9:50 AM, Dave Liu wrote:
Current fat.c have three 64KB static array, it makes the BSS section larger. Change the static to dynamic allocation.
Signed-off-by: Dave Liu daveliu@freescale.com
fs/fat/fat.c | 38 +++++++++++++++++++++++++++++++++++--- 1 files changed, 35 insertions(+), 3 deletions(-)
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index 49c78ed..8e054a6 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -28,6 +28,7 @@ #include <common.h> #include <config.h> #include <fat.h> +#include <malloc.h> #include <asm/byteorder.h> #include <part.h>
@@ -65,6 +66,37 @@ int disk_read (__u32 startblock, __u32 getsize, __u8 * bufptr) return -1; }
+__u8 *get_vfatname_block; +__u8 *get_dentfromdir_block; +__u8 *do_fat_read_block; +static int fat_mem_done = 0; +static int fat_memory_alloc(void) +{
- if (fat_mem_done)
return 0;- get_vfatname_block = (__u8 *)malloc(MAX_CLUSTSIZE);
do you really need the cast?
- if (!get_vfatname_block) {
printf("alloc get_vfatname_block failed\n\r");return -1;- }
- get_dentfromdir_block = (__u8 *)malloc(MAX_CLUSTSIZE);
ditto.
- if (!get_dentfromdir_block) {
printf("alloc get_dentfromdir_block failed\n\r");return -1;- }
- do_fat_read_block = (__u8 *)malloc(MAX_CLUSTSIZE);
ditto
- if (!do_fat_read_block) {
printf("alloc do_fat_read_block failed\n\r");return -1;- }
- fat_mem_done = 1;
- return 0;
+}
- k