[PATCH] do not pass NULL pointer to libfdt

Re-send because of line-wraps.
Without this patch, u-boot just hangs if the fdt pointer is not initialized. The diagnostic subsystems are not yet initialized, so all you get is a blind hang.
Signed-off-by: Stanislav.Pinchuk@kaspersky.com --- include/dm/read.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/dm/read.h b/include/dm/read.h index c875e11a13..d3fd27da8a 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -1007,7 +1007,7 @@ static inline u64 dev_translate_dma_address(const struct udevice *dev,
static inline int dev_read_alias_highest_id(const char *stem) { - if (!CONFIG_IS_ENABLED(OF_LIBFDT)) + if (!CONFIG_IS_ENABLED(OF_LIBFDT) || !gd->fdt_blob) return -1; return fdtdec_get_alias_highest_id(gd->fdt_blob, stem); } -- 2.25.1

Re-send because of line-wraps.
Without this patch, u-boot just hangs if the fdt pointer is not initialized. The diagnostic subsystems are not yet initialized, so all you get is a blind hang.
Signed-off-by: Stanislav.Pinchuk@kaspersky.com --- include/dm/read.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to u-boot-dm, thanks!
participants (2)
-
Simon Glass
-
Stanislav Pinchuk