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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 11/16] file_list: make freeing a NULL pointer a no-op
Date: Mon,  3 May 2021 13:48:56 +0200	[thread overview]
Message-ID: <20210503114901.13095-12-a.fatoum@pengutronix.de> (raw)
In-Reply-To: <20210503114901.13095-1-a.fatoum@pengutronix.de>

This makes code added into usbgadget in a later commit less verbose.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 common/file-list.c         | 3 +++
 drivers/usb/gadget/multi.c | 6 ++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/common/file-list.c b/common/file-list.c
index 580423aef72d..55e6f0e6b6c0 100644
--- a/common/file-list.c
+++ b/common/file-list.c
@@ -161,6 +161,9 @@ void file_list_free(struct file_list *files)
 {
 	struct file_list_entry *entry, *tmp;
 
+	if (!files)
+		return;
+
 	list_for_each_entry_safe(entry, tmp, &files->list, list) {
 		free(entry->name);
 		free(entry->filename);
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 95f5b90c88b5..da4a7591175c 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -268,10 +268,8 @@ void usb_multi_unregister(void)
 
 void usb_multi_opts_release(struct f_multi_opts *opts)
 {
-	if (opts->fastboot_opts.files)
-		file_list_free(opts->fastboot_opts.files);
-	if (opts->dfu_opts.files)
-		file_list_free(opts->dfu_opts.files);
+	file_list_free(opts->fastboot_opts.files);
+	file_list_free(opts->dfu_opts.files);
 
 	free(opts);
 }
-- 
2.29.2


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  parent reply	other threads:[~2021-05-03 11:52 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-03 11:48 [PATCH 00/16] USB: gadget: refactor to allow easier extension Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 01/16] show_progress: add system wide progress stage notifier Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 02/16] common: console: add log_writefile to write log into new file Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 03/16] string: implement strstarts along with strends Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 04/16] vsprintf: introduce %m shorthand for "%s", strerror(errno) Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 05/16] param: introduce file-list parameter type Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 06/16] common: add generic system partitions interface Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 07/16] fastboot: handle ill-named partitions gracefully Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 08/16] usb: gadget: dfu: change status message to info log level Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 09/16] usbgadget: autostart: fix indeterminism around usbgadget.autostart Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 10/16] usbgadget: allow DFU and Fastboot functions to coexist Ahmad Fatoum
2021-05-03 11:48 ` Ahmad Fatoum [this message]
2021-05-03 11:48 ` [PATCH 12/16] fastboot/dfu: use system partitions as fall back Ahmad Fatoum
2021-05-03 12:30   ` [PATCH] fixup! " Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 13/16] bbu: add function to directly add handlers into file_list Ahmad Fatoum
2021-05-03 11:48 ` [PATCH 14/16] file_list: add file_list_detect_all() Ahmad Fatoum
2021-05-03 11:49 ` [PATCH 15/16] common: make FILE_LIST feature unconditional Ahmad Fatoum
2021-05-03 11:49 ` [PATCH 16/16] fs: error out when writing on read-only file system Ahmad Fatoum
2021-05-03 11:55 ` [PATCH 00/16] USB: gadget: refactor to allow easier extension Sascha Hauer

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