diff options
Diffstat (limited to 'drivers/of/fdt.c')
| -rw-r--r-- | drivers/of/fdt.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index c9b5cac03b36..e5ce4b59e162 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -9,7 +9,7 @@ * version 2 as published by the Free Software Foundation. */ -#define pr_fmt(fmt) "OF: fdt:" fmt +#define pr_fmt(fmt) "OF: fdt: " fmt #include <linux/crc32.h> #include <linux/kernel.h> @@ -738,9 +738,12 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node, const char *pathp; int offset, rc = 0, depth = -1; - for (offset = fdt_next_node(blob, -1, &depth); - offset >= 0 && depth >= 0 && !rc; - offset = fdt_next_node(blob, offset, &depth)) { + if (!blob) + return 0; + + for (offset = fdt_next_node(blob, -1, &depth); + offset >= 0 && depth >= 0 && !rc; + offset = fdt_next_node(blob, offset, &depth)) { pathp = fdt_get_name(blob, offset, NULL); if (*pathp == '/') |