summaryrefslogtreecommitdiff
path: root/arch/powerpc/boot/addnote.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/boot/addnote.c')
-rw-r--r--arch/powerpc/boot/addnote.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c
index 9d9f6f334d3c..78704927453a 100644
--- a/arch/powerpc/boot/addnote.c
+++ b/arch/powerpc/boot/addnote.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Program to hack in a PT_NOTE program header entry in an ELF file.
* This is needed for OF on RS/6000s to load an image correctly.
@@ -8,11 +9,6 @@
*
* Adapted for 64 bit little endian images by Andrew Tauferner.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Usage: addnote zImage
*/
#include <stdio.h>
@@ -72,8 +68,8 @@ static int e_class = ELFCLASS32;
#define PUT_16BE(off, v)(buf[off] = ((v) >> 8) & 0xff, \
buf[(off) + 1] = (v) & 0xff)
#define PUT_32BE(off, v)(PUT_16BE((off), (v) >> 16L), PUT_16BE((off) + 2, (v)))
-#define PUT_64BE(off, v)((PUT_32BE((off), (v) >> 32L), \
- PUT_32BE((off) + 4, (v))))
+#define PUT_64BE(off, v)((PUT_32BE((off), (unsigned long long)(v) >> 32L), \
+ PUT_32BE((off) + 4, (unsigned long long)(v))))
#define GET_16LE(off) ((buf[off]) + (buf[(off)+1] << 8))
#define GET_32LE(off) (GET_16LE(off) + (GET_16LE((off)+2U) << 16U))
@@ -82,7 +78,8 @@ static int e_class = ELFCLASS32;
#define PUT_16LE(off, v) (buf[off] = (v) & 0xff, \
buf[(off) + 1] = ((v) >> 8) & 0xff)
#define PUT_32LE(off, v) (PUT_16LE((off), (v)), PUT_16LE((off) + 2, (v) >> 16L))
-#define PUT_64LE(off, v) (PUT_32LE((off), (v)), PUT_32LE((off) + 4, (v) >> 32L))
+#define PUT_64LE(off, v) (PUT_32LE((off), (unsigned long long)(v)), \
+ PUT_32LE((off) + 4, (unsigned long long)(v) >> 32L))
#define GET_16(off) (e_data == ELFDATA2MSB ? GET_16BE(off) : GET_16LE(off))
#define GET_32(off) (e_data == ELFDATA2MSB ? GET_32BE(off) : GET_32LE(off))
@@ -223,7 +220,11 @@ main(int ac, char **av)
PUT_16(E_PHNUM, np + 2);
/* write back */
- lseek(fd, (long) 0, SEEK_SET);
+ i = lseek(fd, (long) 0, SEEK_SET);
+ if (i < 0) {
+ perror("lseek");
+ exit(1);
+ }
i = write(fd, buf, n);
if (i < 0) {
perror("write");