Initialize all stack variables to zero, fix uninitialized loglevel variables

[lttng-tools.git] / src / bin / lttng / commands / enable_channels.c

diff --git a/src/bin/lttng/commands/enable_channels.c b/src/bin/lttng/commands/enable_channels.c
index 912e3b0413d64297a8a87638518b8a51d9322606..91345e051247a6bed7d55be7df10ccee2cfcf023 100644 (file)
--- a/src/bin/lttng/commands/enable_channels.c
+++ b/src/bin/lttng/commands/enable_channels.c
@@ -84,15 +84,15 @@ static void usage(FILE *ofp)
        fprintf(ofp, "\n");
        fprintf(ofp, "  -h, --help               Show this help\n");
        fprintf(ofp, "      --list-options       Simple listing of options\n");
-       fprintf(ofp, "  -s, --session            Apply on session name\n");
-       fprintf(ofp, "  -k, --kernel             Apply on the kernel tracer\n");
+       fprintf(ofp, "  -s, --session            Apply to session name\n");
+       fprintf(ofp, "  -k, --kernel             Apply to the kernel tracer\n");
 #if 0
-       fprintf(ofp, "  -u, --userspace [CMD]    Apply for the user-space tracer\n");
+       fprintf(ofp, "  -u, --userspace [CMD]    Apply to the user-space tracer\n");
        fprintf(ofp, "                           If no CMD, the domain used is UST global\n");
        fprintf(ofp, "                           or else the domain is UST EXEC_NAME\n");
        fprintf(ofp, "  -p, --pid PID            If -u, apply to specific PID (domain: UST PID)\n");
 #else
-       fprintf(ofp, "  -u, --userspace          Apply for the user-space tracer\n");
+       fprintf(ofp, "  -u, --userspace          Apply to the user-space tracer\n");
 #endif
        fprintf(ofp, "\n");
        fprintf(ofp, "Channel options:\n");
@@ -155,6 +155,8 @@ static int enable_channel(char *session_name)
        char *channel_name;
        struct lttng_domain dom;
 
+       memset(&dom, 0, sizeof(dom));
+
        /* Create lttng domain */
        if (opt_kernel) {
                dom.type = LTTNG_DOMAIN_KERNEL;
@@ -303,6 +305,9 @@ int cmd_enable_channels(int argc, const char **argv)
        ret = enable_channel(session_name);
 
 end:
+       if (!opt_session_name && session_name) {
+               free(session_name);
+       }
        poptFreeContext(pc);
        return ret;
 }