1 files changed, 42 insertions, 60 deletions

diff --git a/avr/cmd_fat.c b/avr/cmd_fat.c
index c5791e5..af2f772 100644
--- a/avr/cmd_fat.c
+++ b/avr/cmd_fat.c
@@ -157,7 +157,7 @@ FRESULT scan_files (
  */
 command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	FATFS *FatFs, *fs;
+	FATFS *fs;
 	DWORD nfreeclst;
 	FRESULT res;
 	char *path;
@@ -165,64 +165,57 @@ command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg
 
 	(void) cmdtp; (void) flag; (void) argc;
 
-	FatFs = (FATFS *) malloc(sizeof (FATFS));
 	path = (char *) malloc(BUFFER_SIZE);
-	if (FatFs == NULL || path == NULL) {
+	if (path == NULL) {
 		printf_P(PSTR("fatstat: Out of Memory!\n"));
 		free(path);
-		free(FatFs);
 		return CMD_RET_FAILURE;
 	}
 
-	res = f_mount(FatFs, argv[1], 0);
+	res = f_getfree(argv[1], &nfreeclst, &fs);
 	if (!res) {
-		res = f_getfree(argv[1], &nfreeclst, &fs);
-		if (!res) {
-			printf_P(PSTR(
-						"FAT type:                %u\n"
-						"Bytes/Cluster:           %lu\n"
-						"Number of FATs:          %u\n"
-						"Root DIR entries:        %u\n"
-						"Sectors/FAT:             %lu\n"
-						"Number of clusters:      %lu\n"
-						"FAT start (lba):         %lu\n"
-						"DIR start (lba,cluster): %lu\n"
-						"Data start (lba):        %lu\n"),
-					fs->fs_type, (DWORD)fs->csize * 512, fs->n_fats,
-					fs->n_rootdir, fs->fsize, fs->n_fatent - 2,
-					fs->fatbase, fs->dirbase, fs->database);
+		printf_P(PSTR(
+					"FAT type:                %u\n"
+					"Bytes/Cluster:           %lu\n"
+					"Number of FATs:          %u\n"
+					"Root DIR entries:        %u\n"
+					"Sectors/FAT:             %lu\n"
+					"Number of clusters:      %lu\n"
+					"FAT start (lba):         %lu\n"
+					"DIR start (lba,cluster): %lu\n"
+					"Data start (lba):        %lu\n"),
+				fs->fs_type, (DWORD)fs->csize * 512, fs->n_fats,
+				fs->n_rootdir, fs->fsize, fs->n_fatent - 2,
+				fs->fatbase, fs->dirbase, fs->database);
 
 #if _USE_LABEL
-			TCHAR label[12];
-			DWORD serial;
-			res = f_getlabel(argv[1], label, &serial);
-			if (!res) {
-				printf_P(PSTR(
-							"Volume name:             %s\n"
-							"Volume S/N:              %04X-%04X\n"),
-						label, (WORD)(serial >> 16), (WORD)(serial & 0xFFFF));
-			}
+		TCHAR label[12];
+		DWORD serial;
+		res = f_getlabel(argv[1], label, &serial);
+		if (!res) {
+			printf_P(PSTR(
+						"Volume name:             %s\n"
+						"Volume S/N:              %04X-%04X\n"),
+					label, (WORD)(serial >> 16), (WORD)(serial & 0xFFFF));
+		}
 #endif
-			if (!res) {
-				my_puts_P(PSTR("\nCounting...  "));
-				statp.AccSize = statp.AccFiles = statp.AccDirs = 0;
-				strcpy(path, argv[1]);
+		if (!res) {
+			my_puts_P(PSTR("\nCounting...  "));
+			statp.AccSize = statp.AccFiles = statp.AccDirs = 0;
+			strcpy(path, argv[1]);
 
-				res = scan_files(path, &statp);
-			}
-			if (!res) {
-				printf_P(PSTR("\r%u files, %lu bytes.\n%u folders.\n"
-							 "%lu KB total disk space.\n%lu KB available.\n"),
-						statp.AccFiles, statp.AccSize, statp.AccDirs,
-						(fs->n_fatent - 2) * (fs->csize / 2), nfreeclst * (fs->csize / 2)
-				);
-			}
+			res = scan_files(path, &statp);
+		}
+		if (!res) {
+			printf_P(PSTR("\r%u files, %lu bytes.\n%u folders.\n"
+						 "%lu KB total disk space.\n%lu KB available.\n"),
+					statp.AccFiles, statp.AccSize, statp.AccDirs,
+					(fs->n_fatent - 2) * (fs->csize / 2), nfreeclst * (fs->csize / 2)
+			);
 		}
 	}
 
 	free(path);
-	free(FatFs);
-	f_mount(NULL, argv[1], 0);
 	if (res) {
 		put_rc(res);
 		return CMD_RET_FAILURE;
@@ -237,7 +230,7 @@ command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg
  */
 command_ret_t do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	FATFS FatFs, *fs;
+	FATFS *fs;
 	DIR Dir;					/* Directory object */
 	FILINFO Finfo;
 	unsigned long p1;
@@ -251,9 +244,7 @@ command_ret_t do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[
 
 	(void) cmdtp; (void) flag; (void) argc;
 
-	res = f_mount(&FatFs, argv[1], 0);
-	if (!res)
-		res = f_opendir(&Dir, argv[1]);
+	res = f_opendir(&Dir, argv[1]);
 	if (res) {
 		put_rc(res);
 		return CMD_RET_FAILURE;
@@ -341,7 +332,6 @@ FRESULT mkpath(TCHAR *path)
  */
 command_ret_t do_fat_rw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	FATFS *FatFs;
 	FIL File;
 	uint32_t addr;
 	unsigned long bytes;
@@ -376,21 +366,15 @@ command_ret_t do_fat_rw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[
 	if (addr + bytes > MAX_MEMORY)
 		bytes = MAX_MEMORY - addr;
 
-	FatFs = (FATFS *) malloc(sizeof (FATFS));
 	buffer = (uint8_t *) malloc(BUFFER_SIZE);
-	if (FatFs == NULL || buffer == NULL) {
+	if (buffer == NULL) {
 		printf_P(PSTR("fatstat: Out of Memory!\n"));
-		free(FatFs);
 		free(buffer);
 		return CMD_RET_FAILURE;
 	}
 
-	res = f_mount(FatFs, argv[1], 0);
-
-	if (!res) {
-		if (dowrite) {
-			res = mkpath(argv[1]);
-		}
+	if (dowrite) {
+		res = mkpath(argv[1]);
 	}
 	if (!res) {
 		res = f_open(&File, argv[1], dowrite ? FA_WRITE | FA_CREATE_ALWAYS
@@ -451,11 +435,9 @@ command_ret_t do_fat_rw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[
 							bytes_rw, bytes_rw, timer ? (bytes_rw * 1000 / timer) : 0);
 			}
 		}
-		f_mount(NULL, argv[1], 0);
 	}
 
 	free(buffer);
-	free(FatFs);
 
 	if (buserr)
 		my_puts_P(PSTR("Bus timeout\n"));