67 lines
2.3 KiB
Diff
67 lines
2.3 KiB
Diff
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---
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libmultipath/discovery.c | 16 +++++++++++-----
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1 file changed, 11 insertions(+), 5 deletions(-)
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Index: multipath-tools-120821/libmultipath/discovery.c
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===================================================================
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--- multipath-tools-120821.orig/libmultipath/discovery.c
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+++ multipath-tools-120821/libmultipath/discovery.c
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@@ -113,6 +113,7 @@ path_discovery (vector pathvec, struct c
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udev_list_entry_foreach(entry,
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udev_enumerate_get_list_entry(udev_iter)) {
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+ const char *devtype;
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devpath = udev_list_entry_get_name(entry);
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condlog(4, "Discover device %s", devpath);
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udevice = udev_device_new_from_syspath(conf->udev, devpath);
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@@ -121,7 +122,8 @@ path_discovery (vector pathvec, struct c
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r++;
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continue;
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}
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- if(!strncmp(udev_device_get_devtype(udevice), "disk", 4))
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+ devtype = udev_device_get_devtype(udevice);
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+ if(devtype && !strncmp(devtype, "disk", 4))
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r += path_discover(pathvec, conf, udevice, flag);
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udev_device_unref(udevice);
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}
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@@ -459,7 +461,8 @@ scsi_sysfs_pathinfo (struct path * pp)
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parent = pp->udev;
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while (parent) {
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- if (!strncmp(udev_device_get_subsystem(parent), "scsi", 4)) {
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+ const char *subsys = udev_device_get_subsystem(parent);
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+ if (subsys && !strncmp(subsys, "scsi", 4)) {
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attr_path = udev_device_get_sysname(parent);
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if (!attr_path)
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break;
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@@ -525,7 +528,8 @@ ccw_sysfs_pathinfo (struct path * pp)
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parent = pp->udev;
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while (parent) {
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- if (!strncmp(udev_device_get_subsystem(parent), "ccw", 3))
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+ const char *subsys = udev_device_get_subsystem(parent);
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+ if (subsys && !strncmp(subsys, "ccw", 3))
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break;
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parent = udev_device_get_parent(parent);
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}
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@@ -581,7 +585,8 @@ cciss_sysfs_pathinfo (struct path * pp)
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parent = pp->udev;
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while (parent) {
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- if (!strncmp(udev_device_get_subsystem(parent), "cciss", 5)) {
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+ const char *subsys = udev_device_get_subsystem(parent);
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+ if (subsys && !strncmp(subsys, "cciss", 5)) {
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attr_path = udev_device_get_sysname(parent);
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if (!attr_path)
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break;
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@@ -662,7 +667,8 @@ path_offline (struct path * pp)
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parent = pp->udev;
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while (parent) {
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- if (!strncmp(udev_device_get_subsystem(parent), "scsi", 4))
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+ const char *subsys = udev_device_get_subsystem(parent);
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+ if (subsys && !strncmp(subsys, "scsi", 4))
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break;
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parent = udev_device_get_parent(parent);
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}
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