From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1e97PJ-0002Py-Qb for barebox@lists.infradead.org; Mon, 30 Oct 2017 10:35:12 +0000 From: Enrico Jorns Date: Mon, 30 Oct 2017 11:34:19 +0100 Message-Id: <20171030103421.15353-4-ejo@pengutronix.de> In-Reply-To: <20171030103421.15353-1-ejo@pengutronix.de> References: <20171030103421.15353-1-ejo@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 3/5] commands: nv: assure error code will be returned when an error occurred To: barebox@lists.infradead.org Cc: Enrico Jorns Due to iteration over possibly multiple variables, the return value of an individual call to nvvar_remove() / nvvar_add() gets lost. This will result in do_nv() returning success (0) if any variable processing failed as long as processing of the last variable succeeded. Processing will not be aborted on individual errors, such as the 'cp' handles it for invalid files. Signed-off-by: Enrico Jorns --- commands/nv.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/commands/nv.c b/commands/nv.c index 2ee18187e0..2229adde17 100644 --- a/commands/nv.c +++ b/commands/nv.c @@ -28,7 +28,7 @@ static int do_nv(int argc, char *argv[]) { int opt; int do_remove = 0, do_save = 0; - int ret, i; + int failed = 0, i; char *value; while ((opt = getopt(argc, argv, "rs")) > 0) { @@ -61,19 +61,29 @@ static int do_nv(int argc, char *argv[]) return COMMAND_ERROR_USAGE; for (i = 0; i < argc; i++) { + int ret; value = strchr(argv[0], '='); if (value) { *value = 0; value++; } - if (do_remove) + if (do_remove) { ret = nvvar_remove(argv[i]); - else + if (ret) { + printf("Failed removing %s: %s\n", argv[i], strerror(-ret)); + failed = 1; + } + } else { ret = nvvar_add(argv[i], value); + if (ret) { + printf("Failed adding %s: %s\n", argv[i], strerror(-ret)); + failed = 1; + } + } } - return ret; + return failed; } BAREBOX_CMD_HELP_START(nv) -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox