diff options
Diffstat (limited to 'arch/powerpc/boot/libfdt-wrapper.c')
| -rw-r--r-- | arch/powerpc/boot/libfdt-wrapper.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c index 868c5049a80b..97af36c224bd 100644 --- a/arch/powerpc/boot/libfdt-wrapper.c +++ b/arch/powerpc/boot/libfdt-wrapper.c @@ -48,7 +48,8 @@ check_err(_offset) ? NULL : (void *)(_offset+1); \ }) -#define devp_offset(devp) (((int)(devp))-1) +#define devp_offset_find(devp) (((int)(devp))-1) +#define devp_offset(devp) (devp ? ((int)(devp))-1 : 0) static void *fdt; static void *buf; /* = NULL */ @@ -127,8 +128,9 @@ static void *fdt_wrapper_find_node_by_prop_value(const void *prev, const char *val, int len) { - return offset_devp(fdt_node_offset_by_prop_value(fdt, devp_offset(prev), - name, val, len)); + int offset = fdt_node_offset_by_prop_value(fdt, devp_offset_find(prev), + name, val, len); + return offset_devp(offset); } static char *fdt_wrapper_get_path(const void *devp, char *buf, int len) |