From: Alon Levy <alevy@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] ccid-card-emulated: handle no backend (fixes segfault)
Date: Tue, 17 May 2011 13:03:42 +0300 [thread overview]
Message-ID: <1305626622-12925-1-git-send-email-alevy@redhat.com> (raw)
During initialization if no "backend=something" attribute is supplied
don't try to call strcmp with second argument being NULL.
Signed-off-by: Alon Levy <alevy@redhat.com>
---
hw/ccid-card-emulated.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/ccid-card-emulated.c b/hw/ccid-card-emulated.c
index 0b07184..ba56dca 100644
--- a/hw/ccid-card-emulated.c
+++ b/hw/ccid-card-emulated.c
@@ -476,6 +476,9 @@ static uint32_t parse_enumeration(char *str,
{
uint32_t ret = not_found_value;
+ if (!str) {
+ return ret;
+ }
while (table->name != NULL) {
if (strcmp(table->name, str) == 0) {
ret = table->value;
--
1.7.5.1
next reply other threads:[~2011-05-17 10:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 10:03 Alon Levy [this message]
2011-05-25 7:42 ` [Qemu-devel] [PATCH] ccid-card-emulated: handle no backend (fixes segfault) Markus Armbruster
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