[U-Boot] [PATCH] efi_loader: EFI file paths should be DOS style

[Rob Clark <robdclark@gmail.com>]

shim.efi, for example, actually tries to parse this, but is expecting
backslashes.

Signed-off-by: Rob Clark <robdclark@gmail.com>
---
 cmd/bootefi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index b6d5047301..689eb09942 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -379,7 +379,7 @@ static int parse_partnum(const char *devnr)
 void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
 {
 	char devname[32] = { 0 }; /* dp->str is u16[32] long */
-	char *colon;
+	char *colon, *s;
 
 #if defined(CONFIG_BLK) || CONFIG_IS_ENABLED(ISO_PARTITION)
 	desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10));
@@ -431,6 +431,10 @@ void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
 	} else {
 		snprintf(devname, sizeof(devname), "%s", path);
 	}
+	/* DOS style file path: */
+	s = devname;
+	while ((s = strchr(s, '/')))
+		*s++ = '\\';
 	ascii2unicode(bootefi_image_path[0].str, devname);
 
 	loaded_image_info.device_handle = real_bootefi_device_path;
-- 
2.13.0