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Fix issues found by Coverity, closes #206.

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This commit is contained in:
Ahsan Fayaz 2020-07-17 18:55:00 +01:00
parent f6c68cd6de
commit 510a0a6ae2
3 changed files with 36 additions and 20 deletions
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35
common/common-governors.c
View File

@ -122,22 +122,29 @@ const char *get_gov_state(void)
long length = ftell(f);
fseek(f, 0, SEEK_SET);
char contents[length];
if (length == -1)
{
LOG_ERROR("Failed to seek file %s\n", gov);
}
else
{
char contents[length];
if (fread(contents, 1, (size_t)length, f) > 0) {
/* Files have a newline */
strtok(contents, "\n");
if (strlen(governor) > 0 && strncmp(governor, contents, 64) != 0) {
/* Don't handle the mixed case, this shouldn't ever happen
* But it is a clear sign we shouldn't carry on */
LOG_ERROR("Governors malformed: got \"%s\", expected \"%s\"", contents, governor);
fclose(f);
return "malformed";
if (fread(contents, 1, (size_t)length, f) > 0) {
/* Files have a newline */
strtok(contents, "\n");
if (strlen(governor) > 0 && strncmp(governor, contents, 64) != 0) {
/* Don't handle the mixed case, this shouldn't ever happen
* But it is a clear sign we shouldn't carry on */
LOG_ERROR("Governors malformed: got \"%s\", expected \"%s\"", contents, governor);
fclose(f);
return "malformed";
}
strncpy(governor, contents, sizeof(governor) - 1);
} else {
LOG_ERROR("Failed to read contents of %s\n", gov);
}
strncpy(governor, contents, sizeof(governor) - 1);
} else {
LOG_ERROR("Failed to read contents of %s\n", gov);
}
fclose(f);

3
daemon/gamemode-wine.c
View File

@ -224,7 +224,8 @@ char *game_mode_resolve_wine_preloader(const char *exe, const pid_t pid)
goto fail;
error_cleanup:
game_mode_close_proc(proc_fd);
if (proc_fd != INVALID_PROCFD)
game_mode_close_proc(proc_fd);
free(wineprefix);
return wine_exe;

18
daemon/gamemoded.c
View File

@ -132,11 +132,19 @@ static void daemonize(const char *name)
/* replace standard file descriptors by /dev/null */
int devnull_r = open("/dev/null", O_RDONLY);
int devnull_w = open("/dev/null", O_WRONLY);
dup2(devnull_r, STDIN_FILENO);
dup2(devnull_w, STDOUT_FILENO);
dup2(devnull_w, STDERR_FILENO);
close(devnull_r);
close(devnull_w);
if (devnull_r == -1 || devnull_w == -1)
{
LOG_ERROR("Failed to redirect standard input and output to /dev/null\n");
}
else
{
dup2(devnull_r, STDIN_FILENO);
dup2(devnull_w, STDOUT_FILENO);
dup2(devnull_w, STDERR_FILENO);
close(devnull_r);
close(devnull_w);
}
}
/**