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From: songqiang <songqiang@uniontech.com>
To: sam@ravnborg.org, b.zolnierkie@samsung.com,
	penguin-kernel@i-love.sakura.ne.jp, george.kennedy@oracle.com,
	arnd@arndb.de, tzimmermann@suse.de, jgg@ziepe.ca,
	willy@infradead.org
Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, songqiang <songqiang@uniontech.com>
Subject: [PATCH] drivers/video/fbdev/core/fbmem.c: add pointer judgment
Date: Wed, 19 May 2021 20:00:28 +0800	[thread overview]
Message-ID: <20210519120028.7350-1-songqiang@uniontech.com> (raw)

Signed-off-by: songqiang <songqiang@uniontech.com>
---
 drivers/video/fbdev/core/fbmem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 072780b0e570..6036ab849475 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1859,6 +1859,9 @@ void fb_set_suspend(struct fb_info *info, int state)
 {
 	WARN_CONSOLE_UNLOCKED();
 
+	if (!info) {
+		return;
+	}
 	if (state) {
 		fbcon_suspended(info);
 		info->state = FBINFO_STATE_SUSPENDED;
-- 
2.20.1




WARNING: multiple messages have this Message-ID (diff)
From: songqiang <songqiang@uniontech.com>
To: sam@ravnborg.org, b.zolnierkie@samsung.com,
	penguin-kernel@i-love.sakura.ne.jp, george.kennedy@oracle.com,
	arnd@arndb.de, tzimmermann@suse.de, jgg@ziepe.ca,
	willy@infradead.org
Cc: linux-fbdev@vger.kernel.org, songqiang <songqiang@uniontech.com>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: [PATCH] drivers/video/fbdev/core/fbmem.c: add pointer judgment
Date: Wed, 19 May 2021 20:00:28 +0800	[thread overview]
Message-ID: <20210519120028.7350-1-songqiang@uniontech.com> (raw)

Signed-off-by: songqiang <songqiang@uniontech.com>
---
 drivers/video/fbdev/core/fbmem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 072780b0e570..6036ab849475 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1859,6 +1859,9 @@ void fb_set_suspend(struct fb_info *info, int state)
 {
 	WARN_CONSOLE_UNLOCKED();
 
+	if (!info) {
+		return;
+	}
 	if (state) {
 		fbcon_suspended(info);
 		info->state = FBINFO_STATE_SUSPENDED;
-- 
2.20.1




             reply	other threads:[~2021-05-19 12:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-19 12:00 songqiang [this message]
2021-05-19 12:00 ` [PATCH] drivers/video/fbdev/core/fbmem.c: add pointer judgment songqiang
2021-05-19 12:16 ` Matthew Wilcox
2021-05-19 12:16   ` Matthew Wilcox
     [not found]   ` <1049640176.41531.1621490295842.JavaMail.xmail@localhost.localdomain>
2021-05-20  7:48     ` Arnd Bergmann
2021-05-20  7:48       ` Arnd Bergmann

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