From fe456ff4bce247e4444bef847ba4905647664895 Mon Sep 17 00:00:00 2001 From: Rickard Strandqvist Date: Mon, 19 May 2014 23:42:08 +0200 Subject: [PATCH] staging: lustre: lustre: ptlrpc: sec_config.c: Fix for possible null pointer dereference There is otherwise a risk of a possible null pointer dereference. Was largely found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/ptlrpc/sec_config.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c index bf56120abfaf..231656ed7660 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c @@ -745,11 +745,13 @@ void sptlrpc_conf_log_update_begin(const char *logname) mutex_lock(&sptlrpc_conf_lock); conf = sptlrpc_conf_get(fsname, 0); - if (conf && conf->sc_local) { - LASSERT(conf->sc_updated == 0); - sptlrpc_conf_free_rsets(conf); + if (conf) { + if(conf->sc_local) { + LASSERT(conf->sc_updated == 0); + sptlrpc_conf_free_rsets(conf); + } + conf->sc_modified = 0; } - conf->sc_modified = 0; mutex_unlock(&sptlrpc_conf_lock); } -- 2.34.1