diff options
Diffstat (limited to 'cpukit/dtc/libfdt/fdt_sw.c')
| -rw-r--r-- | cpukit/dtc/libfdt/fdt_sw.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cpukit/dtc/libfdt/fdt_sw.c b/cpukit/dtc/libfdt/fdt_sw.c index d10a720f94..8de18fd4f9 100644 --- a/cpukit/dtc/libfdt/fdt_sw.c +++ b/cpukit/dtc/libfdt/fdt_sw.c @@ -152,6 +152,9 @@ int fdt_resize(void *fdt, void *buf, int bufsize) FDT_SW_PROBE(fdt); + if (bufsize < 0) + return -FDT_ERR_NOSPACE; + headsize = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt); tailsize = fdt_size_dt_strings(fdt); @@ -159,7 +162,7 @@ int fdt_resize(void *fdt, void *buf, int bufsize) headsize + tailsize > fdt_totalsize(fdt)) return -FDT_ERR_INTERNAL; - if ((headsize + tailsize) > bufsize) + if ((headsize + tailsize) > (unsigned)bufsize) return -FDT_ERR_NOSPACE; oldtail = (char *)fdt + fdt_totalsize(fdt) - tailsize; |