From: Dmitry Eremin <dmitry.eremin@xxxxxxxxx> The imp->imp_connection really could be NULL, we better check for it before dereferencing it in taht call to libcfs_nid2str_r. Signed-off-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6507 Reviewed-on: http://review.whamcloud.com/14808 Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx> Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> --- .../lustre/lustre/obdclass/lprocfs_status.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c index 2de3c1b..dda5ad1 100644 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c @@ -665,15 +665,18 @@ int lprocfs_rd_import(struct seq_file *m, void *data) seq_printf(m, "%s%s", j ? ", " : "", nidstr); j++; } - libcfs_nid2str_r(imp->imp_connection->c_peer.nid, - nidstr, sizeof(nidstr)); + if (imp->imp_connection != NULL) + libcfs_nid2str_r(imp->imp_connection->c_peer.nid, + nidstr, sizeof(nidstr)); + else + strncpy(nidstr, "<none>", sizeof(nidstr)); seq_printf(m, "]\n" " current_connection: %s\n" " connection_attempts: %u\n" " generation: %u\n" " in-progress_invalidations: %u\n", - imp->imp_connection == NULL ? "<none>" : nidstr, + nidstr, imp->imp_conn_cnt, imp->imp_generation, atomic_read(&imp->imp_inval_count)); -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
