X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fuserspace-probe.c;h=e85c3c56fc67eea6163b5442694a1855332892ad;hb=166fc58650170d8213cd7d43c68d9a6601336dd0;hp=a15e5b7e42480fd50484c039a1722791536f313f;hpb=c9681eeb9b28e32f5ee77aea875d87889fdfd086;p=lttng-tools.git

diff --git a/src/common/userspace-probe.c b/src/common/userspace-probe.c
index a15e5b7e4..e85c3c56f 100644
--- a/src/common/userspace-probe.c
+++ b/src/common/userspace-probe.c
@@ -413,17 +413,20 @@ lttng_userspace_probe_location_function_copy(
 		goto error;
 	}
 
-	/* Duplicate the binary fd */
+	/*
+	 * Duplicate the binary fd if possible. The binary fd can be -1 on
+	 * listing
+	 */
 	fd = lttng_userspace_probe_location_function_get_binary_fd(location);
-	if (fd == -1) {
-		ERR("Error getting file descriptor to binary");
-		goto error;
-	}
-
-	new_fd = dup(fd);
-	if (new_fd == -1) {
-		PERROR("Error duplicating file descriptor to binary");
-		goto error;
+	if (fd > -1) {
+		new_fd = dup(fd);
+		if (new_fd == -1) {
+			PERROR("Error duplicating file descriptor to binary");
+			goto error;
+		}
+	} else {
+		/* The original fd is not set. */
+		new_fd = -1;
 	}
 
 	/*
@@ -509,15 +512,15 @@ lttng_userspace_probe_location_tracepoint_copy(
 
 	/* Duplicate the binary fd */
 	fd = lttng_userspace_probe_location_tracepoint_get_binary_fd(location);
-	if (fd == -1) {
-		ERR("Error getting file descriptor to binary");
-		goto error;
-	}
-
-	new_fd = dup(fd);
-	if (new_fd == -1) {
-		PERROR("Error duplicating file descriptor to binary");
-		goto error;
+	if (fd > -1) {
+		new_fd = dup(fd);
+		if (new_fd == -1) {
+			PERROR("Error duplicating file descriptor to binary");
+			goto error;
+		}
+	} else {
+		/* The original fd is not set. */
+		new_fd = -1;
 	}
 
 	/*