[PATCH 17/24] bootflow: Show an empty filename when there is none

[Simon Glass]

At present 'bootflow list' shows <NULL> for the filename when it is not
present. Show an empty string instead, since that is more user-friendly.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 cmd/bootflow.c       |  2 +-
 test/boot/bootflow.c | 22 ++++++++++++----------
 2 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/cmd/bootflow.c b/cmd/bootflow.c
index 3c3abaf8a3b2..300ad3aaa760 100644
--- a/cmd/bootflow.c
+++ b/cmd/bootflow.c
@@ -71,7 +71,7 @@ static void show_bootflow(int index, struct bootflow *bflow, bool errors)
 	printf("%3x  %-11s  %-6s  %-9.9s %4x  %-25.25s %s\n", index,
 	       bflow->method->name, bootflow_state_get_name(bflow->state),
 	       bflow->dev ? dev_get_uclass_name(dev_get_parent(bflow->dev)) :
-	       "(none)", bflow->part, bflow->name, bflow->fname);
+	       "(none)", bflow->part, bflow->name, bflow->fname ?: "");
 	if (errors)
 		report_bootflow_err(bflow, bflow->err);
 }
diff --git a/test/boot/bootflow.c b/test/boot/bootflow.c
index 8a4e090e9bcf..649237a9e229 100644
--- a/test/boot/bootflow.c
+++ b/test/boot/bootflow.c
@@ -167,21 +167,22 @@ static int bootflow_cmd_scan_e(struct unit_test_state *uts)
 	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
 	ut_assert_nextlinen("---");
 	ut_assert_nextline("Scanning bootdev 'mmc2.bootdev':");
-	ut_assert_nextline("  0  extlinux     media   mmc          0  mmc2.bootdev.whole        <NULL>");
+	ut_assert_nextline("  0  extlinux     media   mmc          0  mmc2.bootdev.whole        ");
 	ut_assert_nextline("     ** No partition found, err=-93: Protocol not supported");
-	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        <NULL>");
+	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        ");
 	ut_assert_nextline("     ** No partition found, err=-93: Protocol not supported");
 
 	ut_assert_nextline("Scanning bootdev 'mmc1.bootdev':");
-	ut_assert_nextline("  2  extlinux     media   mmc          0  mmc1.bootdev.whole        <NULL>");
+	ut_assert_nextline("  2  extlinux     media   mmc          0  mmc1.bootdev.whole        ");
 	ut_assert_nextline("     ** No partition found, err=-2: No such file or directory");
-	ut_assert_nextline("  3  efi          media   mmc          0  mmc1.bootdev.whole        <NULL>");
+	ut_assert_nextline("  3  efi          media   mmc          0  mmc1.bootdev.whole        ");
 	ut_assert_nextline("     ** No partition found, err=-2: No such file or directory");
 	ut_assert_nextline("  4  extlinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
 	ut_assert_nextline("  5  efi          fs      mmc          1  mmc1.bootdev.part_1       efi/boot/bootsbox.efi");
 
 	ut_assert_skip_to_line("Scanning bootdev 'mmc0.bootdev':");
-	ut_assert_skip_to_line(" 3f  efi          media   mmc          0  mmc0.bootdev.whole        <NULL>");
+	ut_assert_skip_to_line(
+		" 3f  efi          media   mmc          0  mmc0.bootdev.whole        ");
 	ut_assert_nextline("     ** No partition found, err=-93: Protocol not supported");
 	ut_assert_nextline("No more bootdevs");
 	ut_assert_nextlinen("---");
@@ -192,10 +193,11 @@ static int bootflow_cmd_scan_e(struct unit_test_state *uts)
 	ut_assert_nextline("Showing all bootflows");
 	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
 	ut_assert_nextlinen("---");
-	ut_assert_nextline("  0  extlinux     media   mmc          0  mmc2.bootdev.whole        <NULL>");
-	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        <NULL>");
-	ut_assert_skip_to_line("  4  extlinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
-	ut_assert_skip_to_line(" 3f  efi          media   mmc          0  mmc0.bootdev.whole        <NULL>");
+	ut_assert_nextline("  0  extlinux     media   mmc          0  mmc2.bootdev.whole        ");
+	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        ");
+	ut_assert_skip_to_line(
+		"  4  extlinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
+	ut_assert_skip_to_line(" 3f  efi          media   mmc          0  mmc0.bootdev.whole        ");
 	ut_assert_nextlinen("---");
 	ut_assert_nextline("(64 bootflows, 1 valid)");
 	ut_assert_console_end();
@@ -384,7 +386,7 @@ static int bootflow_system(struct unit_test_state *uts)
 	console_record_reset_enable();
 	ut_assertok(run_command("bootflow scan -lH", 0));
 	ut_assert_skip_to_line(
-		"  0  efi_mgr      ready   (none)       0  <NULL>                    <NULL>");
+		"  0  efi_mgr      ready   (none)       0  <NULL>                    ");
 	ut_assert_skip_to_line("No more bootdevs");
 	ut_assert_skip_to_line("(2 bootflows, 2 valid)");
 	ut_assert_console_end();
-- 
2.41.0.640.ga95def55d0-goog