Index: sys/compat/linuxkpi/common/src/linux_firmware.c
===================================================================
--- sys/compat/linuxkpi/common/src/linux_firmware.c
+++ sys/compat/linuxkpi/common/src/linux_firmware.c
@@ -85,7 +85,7 @@
 		fwimg = fw_name;
 		fbdfw = firmware_get_flags(fwimg, flags);
 	}
-	/* (3) Flatten '/', '.' and '-' to '_' and try with adjusted name. */
+	/* (3) Flatten '[/.-, ]' to '_' and try with adjusted name. */
 	if (fbdfw == NULL &&
 	    (strchr(fw_name, '/') != NULL || strchr(fw_name, '.') != NULL ||
 	    strchr(fw_name, '-'))) {
@@ -104,6 +104,16 @@
 					*p = '_';
 				fbdfw = firmware_get_flags(fwimg, flags);
 			}
+			if (fbdfw == NULL) {
+				while ((p = strchr(fwimg, ',')) != NULL)
+					*p = '_';
+				fbdfw = firmware_get_flags(fwimg, flags);
+			}
+			if (fbdfw == NULL) {
+				while ((p = strchr(fwimg, ' ')) != NULL)
+					*p = '_';
+				fbdfw = firmware_get_flags(fwimg, flags);
+			}
 			free(__DECONST(void *, fwimg), M_LKPI_FW);
 		}
 	}