diff options
Diffstat (limited to 'sys-utils/setarch.c')
| -rw-r--r-- | sys-utils/setarch.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys-utils/setarch.c b/sys-utils/setarch.c index b6159c5b4..b5e401c81 100644 --- a/sys-utils/setarch.c +++ b/sys-utils/setarch.c @@ -236,8 +236,18 @@ static int set_arch(const char *pers, unsigned long options, int list) if (transitions[i].perval < 0) errx(EXIT_FAILURE, _("%s: Unrecognized architecture"), pers); pers_value = transitions[i].perval | options; - if (personality(pers_value) == -EINVAL) - return 1; + if (personality(pers_value) < 0) { + /* + * Depending on architecture and kernel version, personality + * syscall is either capable or incapable of returning an error. + * If the return value is not an error, then it's the previous + * personality value, which can be an arbitrary value + * undistinguishable from an error value. + * To make things clear, a second call is needed. + */ + if (personality(pers_value) < 0) + return 1; + } uname(&un); if (transitions[i].result_arch && strcmp(un.machine, transitions[i].result_arch)) { if (strcmp(transitions[i].result_arch, "i386") |