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Bug #14300

closed

mbh_patch: comparison of integers of different signs

Added by Toomas Soome 8 months ago. Updated 8 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
tools - gate/build tools
Start date:
Due date:
% Done:

100%

Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:

Description

Build errors:

    mbh_patch.c:141:20: error: comparison of integers of different signs: 'int' and 'unsigned int' [-Werror,-Wsign-compare]
            for (mem = 0; mem < 8192 - sizeof (multiboot_header_t); mem += 4) {
                          ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mbh_patch.c:147:10: error: comparison of integers of different signs: 'int' and 'unsigned int' [-Werror,-Wsign-compare]
            if (mem >= 8192 - sizeof (multiboot_header_t)) {
                ~~~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mbh_patch.c:160:11: error: comparison of integers of different signs: 'int' and 'unsigned int' [-Werror,-Wsign-compare]
                mem2 <= MULTIBOOT_SEARCH - sizeof (multiboot2_header_t);
                ~~~~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mbh_patch.c:202:12: error: comparison of integers of different signs: 'int' and 'unsigned long long' [-Werror,-Wsign-compare]
                        (mem >= (phdr->p_offset + phdr->p_filesz))) {
                         ~~~ ^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mbh_patch.c:201:12: error: comparison of integers of different signs: 'int' and 'Elf64_Off' (aka 'unsigned long long') [-Werror,-Wsign-compare]
                    if ((mem < phdr->p_offset) ||
                         ~~~ ^ ~~~~~~~~~~~~~~
    mbh_patch.c:214:13: error: comparison of integers of different signs: 'int' and 'unsigned long long' [-Werror,-Wsign-compare]
                        (mem2 >= (phdr->p_offset + phdr->p_filesz)))) {
                         ~~~~ ^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mbh_patch.c:213:30: error: comparison of integers of different signs: 'int' and 'Elf64_Off' (aka 'unsigned long long') [-Werror,-Wsign-compare]
                    if (mbh2 != NULL && ((mem2 < phdr->p_offset) ||
                                          ~~~~ ^ ~~~~~~~~~~~~~~
    7 errors generated.

Testing done: build/install/boot - so the kernel is patched OK.

Actions #1

Updated by Electric Monk 8 months ago

  • Gerrit CR set to 1863
Actions #2

Updated by Toomas Soome 8 months ago

  • Description updated (diff)
Actions #3

Updated by Electric Monk 8 months ago

  • Status changed from In Progress to Closed
  • % Done changed from 90 to 100

git commit af0ef7c472bfce1509e929cd90cad4d773980e53

commit  af0ef7c472bfce1509e929cd90cad4d773980e53
Author: Toomas Soome <tsoome@me.com>
Date:   2022-01-05T16:41:45.000Z

    14300 mbh_patch: comparison of integers of different signs
    Reviewed by: Robert Mustacchi <rm@fingolfin.org>
    Approved by: Dan McDonald <danmcd@joyent.com>

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