diff options
Diffstat (limited to 'tools/testing/selftests/x86/pkey-helpers.h')
| -rw-r--r-- | tools/testing/selftests/x86/pkey-helpers.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/x86/pkey-helpers.h b/tools/testing/selftests/x86/pkey-helpers.h index 3818f25391c2..b3cb7670e026 100644 --- a/tools/testing/selftests/x86/pkey-helpers.h +++ b/tools/testing/selftests/x86/pkey-helpers.h @@ -30,6 +30,7 @@ static inline void sigsafe_printf(const char *format, ...) if (!dprint_in_signal) { vprintf(format, ap); } else { + int ret; int len = vsnprintf(dprint_in_signal_buffer, DPRINT_IN_SIGNAL_BUF_SIZE, format, ap); @@ -39,7 +40,9 @@ static inline void sigsafe_printf(const char *format, ...) */ if (len > DPRINT_IN_SIGNAL_BUF_SIZE) len = DPRINT_IN_SIGNAL_BUF_SIZE; - write(1, dprint_in_signal_buffer, len); + ret = write(1, dprint_in_signal_buffer, len); + if (ret < 0) + abort(); } va_end(ap); } |