X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fenable_events.c;h=f6bae4874266863e3de6c20350565ad1dc4e0523;hp=84bcb20814233c8928a53b9fd8e1d93e88b453d5;hb=531be721f74add51145d8d5c512d7c33366ad890;hpb=3cd887b35fa74815822b87c5495473288002345a

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 84bcb2081..f6bae4874 100644
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -160,8 +160,13 @@ static int parse_probe_opts(struct lttng_event *ev, char *opt)
 	/* Check for address */
 	match = sscanf(opt, "%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", s_hex);
 	if (match > 0) {
-		if (*s_hex == '\0') {
-			ERR("Invalid probe address %s", s_hex);
+		/*
+		 * Return an error if the first character of the tentative
+		 * address is NULL or not a digit. It can be "0" if the address
+		 * is in hexadecimal and can be 1 to 9 if it's in decimal.
+		 */
+		if (*s_hex == '\0' || !isdigit(*s_hex)) {
+			ERR("Invalid probe description %s", s_hex);
 			ret = CMD_ERROR;
 			goto end;
 		}