Don't seek fd if no -S <offset> was specified

cndaqiang · Oct 2, 2024 · ab3d774 · ab3d774
1 parent 904479b
commit ab3d774
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tftp.c b/tftp.c
@@ -359,7 +359,7 @@ ssize_t tftp_put(struct nmrpd_args *args)
 			file_remote = args->file_local;
 		}
 
-		if (lseek(fd, args->offset, SEEK_SET) == (off_t)-1) {
+		if (args->offset && (lseek(fd, args->offset, SEEK_SET) == (off_t)-1)) {
 			xperror("lseek");
 			goto cleanup;
 		}