DriverDev-Devel Archive on lore.kernel.org
 help / color / Atom feed
* [PATCH] media: allegro: Fix some NULL vs IS_ERR() checks in probe
@ 2020-06-19 14:30 Dan Carpenter
  2020-07-01  7:06 ` Michael Tretter
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2020-06-19 14:30 UTC (permalink / raw)
  To: Michael Tretter
  Cc: devel, kernel-janitors, Pengutronix Kernel Team, Hans Verkuil,
	Mauro Carvalho Chehab, linux-media

The devm_ioremap() function doesn't return error pointers, it returns
NULL on error.

Fixes: f20387dfd065 ("media: allegro: add Allegro DVT video IP core driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/staging/media/allegro-dvt/allegro-core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/allegro-dvt/allegro-core.c b/drivers/staging/media/allegro-dvt/allegro-core.c
index 70f133a842dd..3ed66aae741d 100644
--- a/drivers/staging/media/allegro-dvt/allegro-core.c
+++ b/drivers/staging/media/allegro-dvt/allegro-core.c
@@ -3065,9 +3065,9 @@ static int allegro_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 	regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
-	if (IS_ERR(regs)) {
+	if (!regs) {
 		dev_err(&pdev->dev, "failed to map registers\n");
-		return PTR_ERR(regs);
+		return -ENOMEM;
 	}
 	dev->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
 					    &allegro_regmap_config);
@@ -3085,9 +3085,9 @@ static int allegro_probe(struct platform_device *pdev)
 	sram_regs = devm_ioremap(&pdev->dev,
 				 sram_res->start,
 				 resource_size(sram_res));
-	if (IS_ERR(sram_regs)) {
+	if (!sram_regs) {
 		dev_err(&pdev->dev, "failed to map sram\n");
-		return PTR_ERR(sram_regs);
+		return -ENOMEM;
 	}
 	dev->sram = devm_regmap_init_mmio(&pdev->dev, sram_regs,
 					  &allegro_sram_config);
-- 
2.27.0

_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, back to index

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-19 14:30 [PATCH] media: allegro: Fix some NULL vs IS_ERR() checks in probe Dan Carpenter
2020-07-01  7:06 ` Michael Tretter

DriverDev-Devel Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/driverdev-devel/0 driverdev-devel/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 driverdev-devel driverdev-devel/ https://lore.kernel.org/driverdev-devel \
		driverdev-devel@linuxdriverproject.org devel@driverdev.osuosl.org
	public-inbox-index driverdev-devel

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.linuxdriverproject.driverdev-devel


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git