X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fcfi.c;h=fb3d4cc884d032e554804b7544f64d8432a12497;hp=3dc7885c073b69b80355971a8d28525cfc7a0254;hb=fbf5bec7f3ea9f4a9584099a12e71681cb55ce35;hpb=7d244761461701e1161df32c2f1d4cd50ae2bb26

diff --git a/src/flash/cfi.c b/src/flash/cfi.c
index 3dc7885c07..fb3d4cc884 100644
--- a/src/flash/cfi.c
+++ b/src/flash/cfi.c
@@ -50,6 +50,7 @@ int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size);
 int cfi_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
 #define CFI_MAX_BUS_WIDTH	4
+#define CFI_MAX_CHIP_WIDTH	4
 
 flash_driver_t cfi_flash =
 {
@@ -335,6 +336,13 @@ int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **
 		return ERROR_FLASH_BANK_INVALID;
 	}
 	
+	if ((strtoul(args[4], NULL, 0) > CFI_MAX_CHIP_WIDTH)
+		|| (strtoul(args[3], NULL, 0) > CFI_MAX_BUS_WIDTH))
+	{
+		ERROR("chip and bus width have to specified in byte");
+		return ERROR_FLASH_BANK_INVALID;
+	}
+	
 	cfi_info = malloc(sizeof(cfi_flash_bank_t));
 	bank->driver_priv = cfi_info;