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do not pass NULL pointer to libfdt

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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
This commit is contained in:
Stanislav Pinchuk 2021-01-20 21:52:23 +03:00 committed by Simon Glass
parent 43db07507a
commit a00e0f7ae5
1 changed files with 1 additions and 1 deletions
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2
include/dm/read.h
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@ -1006,7 +1006,7 @@ 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);
}