From d0ebd78890fba2ab458ec34763dae8566ccb1b72 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 21 Nov 2012 14:16:08 +0100 Subject: 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 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 --- hw/usb/ccid-card-emulated.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'hw/usb/ccid-card-emulated.c') diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c index d534c94c1a..6cbb1766ab 100644 --- a/hw/usb/ccid-card-emulated.c +++ b/hw/usb/ccid-card-emulated.c @@ -473,6 +473,9 @@ 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; -- cgit v1.2.1