From: Yangtao Li <tiny.windzz@gmail.com> To: computersforpeace@gmail.com, gregory.0xf0@gmail.com, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, treding@nvidia.com, olof@lixom.net, arnd@arndb.de Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Yangtao Li <tiny.windzz@gmail.com> Subject: [PATCH v2] soc: bcm: brcmstb: Don't leak device tree node reference Date: Sat, 24 Nov 2018 09:52:23 -0500 [thread overview] Message-ID: <20181124145223.29208-1-tiny.windzz@gmail.com> (raw) of_find_node_by_path() acquires a reference to the node returned by it and that reference needs to be dropped by its caller. soc_is_brcmstb() doesn't do that, so fix it. [treding: slightly rewrite to avoid inline comparison] Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> --- Changes in v2: -update changelog -slightly rewrite to avoid inline comparison --- drivers/soc/bcm/brcmstb/common.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c index 14185451901d..bf9123f727e8 100644 --- a/drivers/soc/bcm/brcmstb/common.c +++ b/drivers/soc/bcm/brcmstb/common.c @@ -31,13 +31,17 @@ static const struct of_device_id brcmstb_machine_match[] = { bool soc_is_brcmstb(void) { + const struct of_device_id *match; struct device_node *root; root = of_find_node_by_path("/"); if (!root) return false; - return of_match_node(brcmstb_machine_match, root) != NULL; + match = of_match_node(brcmstb_machine_match, root); + of_node_put(root); + + return match != NULL; } u32 brcmstb_get_family_id(void) -- 2.17.0
WARNING: multiple messages have this Message-ID (diff)
From: tiny.windzz@gmail.com (Yangtao Li) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2] soc: bcm: brcmstb: Don't leak device tree node reference Date: Sat, 24 Nov 2018 09:52:23 -0500 [thread overview] Message-ID: <20181124145223.29208-1-tiny.windzz@gmail.com> (raw) of_find_node_by_path() acquires a reference to the node returned by it and that reference needs to be dropped by its caller. soc_is_brcmstb() doesn't do that, so fix it. [treding: slightly rewrite to avoid inline comparison] Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> --- Changes in v2: -update changelog -slightly rewrite to avoid inline comparison --- drivers/soc/bcm/brcmstb/common.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c index 14185451901d..bf9123f727e8 100644 --- a/drivers/soc/bcm/brcmstb/common.c +++ b/drivers/soc/bcm/brcmstb/common.c @@ -31,13 +31,17 @@ static const struct of_device_id brcmstb_machine_match[] = { bool soc_is_brcmstb(void) { + const struct of_device_id *match; struct device_node *root; root = of_find_node_by_path("/"); if (!root) return false; - return of_match_node(brcmstb_machine_match, root) != NULL; + match = of_match_node(brcmstb_machine_match, root); + of_node_put(root); + + return match != NULL; } u32 brcmstb_get_family_id(void) -- 2.17.0
next reply other threads:[~2018-11-24 14:52 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-11-24 14:52 Yangtao Li [this message] 2018-11-24 14:52 ` [PATCH v2] soc: bcm: brcmstb: Don't leak device tree node reference Yangtao Li 2018-11-26 14:42 ` Frank Lee 2018-11-26 14:42 ` Frank Lee 2018-11-28 0:25 ` Florian Fainelli 2018-11-28 0:25 ` Florian Fainelli 2018-11-28 21:47 ` Florian Fainelli 2018-11-28 21:47 ` Florian Fainelli
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20181124145223.29208-1-tiny.windzz@gmail.com \ --to=tiny.windzz@gmail.com \ --cc=arnd@arndb.de \ --cc=bcm-kernel-feedback-list@broadcom.com \ --cc=computersforpeace@gmail.com \ --cc=f.fainelli@gmail.com \ --cc=gregory.0xf0@gmail.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=olof@lixom.net \ --cc=treding@nvidia.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.