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-rw-r--r--tools/fit_image.c4
-rw-r--r--tools/mkimage.h2
2 files changed, 5 insertions, 1 deletions
diff --git a/tools/fit_image.c b/tools/fit_image.c
index 4aeabbcfe9..88ff093d05 100644
--- a/tools/fit_image.c
+++ b/tools/fit_image.c
@@ -17,6 +17,7 @@
#include "fit_common.h"
#include "mkimage.h"
#include <image.h>
+#include <string.h>
#include <stdarg.h>
#include <version.h>
#include <u-boot/crc.h>
@@ -744,6 +745,9 @@ static int fit_handle_file(struct image_tool_params *params)
snprintf(cmd, sizeof(cmd), "cp \"%s\" \"%s\"",
params->imagefile, tmpfile);
}
+ if (strlen(cmd) >= MKIMAGE_MAX_DTC_CMDLINE_LEN - 1) {
+ fprintf(stderr, "WARNING: command-line for FIT creation might be truncated and will probably fail.\n");
+ }
if (*cmd && system(cmd) == -1) {
fprintf (stderr, "%s: system(%s) failed: %s\n",
diff --git a/tools/mkimage.h b/tools/mkimage.h
index 0254af59fb..5b096a545b 100644
--- a/tools/mkimage.h
+++ b/tools/mkimage.h
@@ -42,6 +42,6 @@ static inline ulong map_to_sysmem(void *ptr)
#define MKIMAGE_TMPFILE_SUFFIX ".tmp"
#define MKIMAGE_MAX_TMPFILE_LEN 256
#define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500"
-#define MKIMAGE_MAX_DTC_CMDLINE_LEN 512
+#define MKIMAGE_MAX_DTC_CMDLINE_LEN 2 * MKIMAGE_MAX_TMPFILE_LEN + 35
#endif /* _MKIIMAGE_H_ */