Merge "input: touchscreen: Fix uninitialized variable usage in Atmel driver"

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / scripts / dtc / libfdt / fdt_rw.c

diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 4463c10..55fc932 100644 (file)
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -101,6 +101,8 @@ static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
 
        if (((p + oldlen) < p) || ((p + oldlen) > end))
                return -FDT_ERR_BADOFFSET;
+       if ((p < (char *)fdt) || ((end - oldlen + newlen) < (char *)fdt))
+               return -FDT_ERR_BADOFFSET;
        if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
                return -FDT_ERR_NOSPACE;
        memmove(p + newlen, p + oldlen, end - p - oldlen);
@@ -189,17 +191,13 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
 int fdt_del_mem_rsv(void *fdt, int n)
 {
        struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
-       int err;
 
        FDT_RW_CHECK_HEADER(fdt);
 
        if (n >= fdt_num_mem_rsv(fdt))
                return -FDT_ERR_NOTFOUND;
 
-       err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
-       if (err)
-               return err;
-       return 0;
+       return _fdt_splice_mem_rsv(fdt, re, 1, 0);
 }
 
 static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,