From 7d8ebc793c9bc4b5058ec1189139e7912e209e19 Mon Sep 17 00:00:00 2001 Message-Id: <7d8ebc793c9bc4b5058ec1189139e7912e209e19.1375955382.git.minovotn@redhat.com> From: Alon Levy Date: Thu, 1 Aug 2013 11:53:20 +0200 Subject: [PATCH 01/35] ccid-card-emul: do not crash if backend is not provided MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Alon Levy Message-id: <1375358029-12968-2-git-send-email-alevy@redhat.com> Patchwork-id: 52891 O-Subject: [RHEL-6.5 RHEL-6.4.z qemu-kvm v6 01/30] ccid-card-emul: do not crash if backend is not provided Bugzilla: 917860 RH-Acked-by: Hans de Goede RH-Acked-by: Marc-André Lureau RH-Acked-by: Gerd Hoffmann From: Marc-André Lureau Program received signal SIGSEGV, Segmentation fault. __strcmp_sse42 () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:164 164 movdqu (%rsi), %xmm2 (gdb) bt at /home/elmarco/320g/src/qemu/hw/ccid-card-emulated.c:477 at /home/elmarco/320g/src/qemu/hw/ccid-card-emulated.c:503 Signed-off-by: Marc-André Lureau Reviewed-by: Alon Levy (cherry picked from commit d0ebd78890fba2ab458ec34763dae8566ccb1b72) --- hw/ccid-card-emulated.c | 3 +++ 1 file changed, 3 insertions(+) Signed-off-by: Michal Novotny --- hw/ccid-card-emulated.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/ccid-card-emulated.c b/hw/ccid-card-emulated.c index 96b6882..4b0edfe 100644 --- a/hw/ccid-card-emulated.c +++ b/hw/ccid-card-emulated.c @@ -477,6 +477,9 @@ static uint32_t parse_enumeration(char *str, { uint32_t ret = not_found_value; + if (str == NULL) + return 0; + while (table->name != NULL) { if (strcmp(table->name, str) == 0) { ret = table->value; -- 1.7.11.7