Avoid segv when no IB devices are found

Signed-off-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

9 files changed, 32 insertions, 4 deletions

diff --git a/configure.in b/configure.in
index 6c135fb..c3fa3f1 100644
--- a/configure.in
+++ b/configure.in
@@ -1,11 +1,11 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.57)
-AC_INIT(libibverbs, 0.1.0, openib-general@openib.org)
+AC_INIT(libibverbs, 1.0-rc1, openib-general@openib.org)
 AC_CONFIG_SRCDIR([src/ibverbs.h])
 AC_CONFIG_AUX_DIR(config)
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(libibverbs, 0.1.0)
+AM_INIT_AUTOMAKE(libibverbs, 1.0-rc1)
 
 AM_PROG_LIBTOOL
 
diff --git a/debian/changelog b/debian/changelog
index 27da54c..59f12ae 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-libibverbs (0.1.0-1) unstable; urgency=low
+libibverbs (1.0-rc1) unstable; urgency=low
 
   * Initial Release.
 
diff --git a/examples/asyncwatch.c b/examples/asyncwatch.c
index add05f3..d06d04f 100644
--- a/examples/asyncwatch.c
+++ b/examples/asyncwatch.c
@@ -29,7 +29,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *
- * $Id: device_list.c 1393 2004-12-28 02:15:24Z roland $
+ * $Id$
  */
 
 #if HAVE_CONFIG_H
@@ -56,6 +56,10 @@ int main(int argc, char *argv[])
 	struct ibv_async_event event;
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	ib_dev = dlist_next(dev_list);
diff --git a/examples/device_list.c b/examples/device_list.c
index 414612e..37f3a40 100644
--- a/examples/device_list.c
+++ b/examples/device_list.c
@@ -55,6 +55,10 @@ int main(int argc, char *argv[])
 	struct ibv_device *ib_dev;
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	printf("    %-16s\t   node GUID\n", "device");
 	printf("    %-16s\t----------------\n", "------");
diff --git a/examples/devinfo.c b/examples/devinfo.c
index 0238ec7..e0a0f66 100644
--- a/examples/devinfo.c
+++ b/examples/devinfo.c
@@ -58,6 +58,10 @@ int main(int argc, char *argv[])
         int i;
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	ib_dev = dlist_next(dev_list);
diff --git a/examples/rc_pingpong.c b/examples/rc_pingpong.c
index 7e20917..65ab080 100644
--- a/examples/rc_pingpong.c
+++ b/examples/rc_pingpong.c
@@ -524,6 +524,10 @@ int main(int argc, char *argv[])
 	page_size = sysconf(_SC_PAGESIZE);
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	if (!ib_devname) {
diff --git a/examples/srq_pingpong.c b/examples/srq_pingpong.c
index 8170f56..deb1699 100644
--- a/examples/srq_pingpong.c
+++ b/examples/srq_pingpong.c
@@ -593,6 +593,10 @@ int main(int argc, char *argv[])
 	page_size = sysconf(_SC_PAGESIZE);
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	if (!ib_devname) {
diff --git a/examples/uc_pingpong.c b/examples/uc_pingpong.c
index 7dcdbc3..6d3e80a 100644
--- a/examples/uc_pingpong.c
+++ b/examples/uc_pingpong.c
@@ -516,6 +516,10 @@ int main(int argc, char *argv[])
 	page_size = sysconf(_SC_PAGESIZE);
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	if (!ib_devname) {
diff --git a/examples/ud_pingpong.c b/examples/ud_pingpong.c
index e7704e3..23fe25d 100644
--- a/examples/ud_pingpong.c
+++ b/examples/ud_pingpong.c
@@ -520,6 +520,10 @@ int main(int argc, char *argv[])
 	page_size = sysconf(_SC_PAGESIZE);
 
 	dev_list = ibv_get_devices();
+	if (!dev_list) {
+		fprintf(stderr, "No IB devices found\n");
+		return 1;
+	}
 
 	dlist_start(dev_list);
 	if (!ib_devname) {