diff mbox

[2/5] clk: bcm2835: no need to check return value of debugfs_create functions

Message ID 20180529160804.1982-2-gregkh@linuxfoundation.org (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Greg Kroah-Hartman May 29, 2018, 4:08 p.m. UTC
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Phil Elwell <phil@raspberrypi.org>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Danilo Krummrich <danilokrummrich@dk-develop.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/clk/bcm/clk-bcm2835.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Eric Anholt May 30, 2018, 7:39 p.m. UTC | #1
Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes:

> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.

I like it.

Reviewed-by: Eric Anholt <eric@anholt.net>
Stephen Boyd June 2, 2018, 2:27 a.m. UTC | #2
Quoting Greg Kroah-Hartman (2018-05-29 09:08:01)
> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.
> 
> Cc: Michael Turquette <mturquette@baylibre.com>
> Cc: Stephen Boyd <sboyd@kernel.org>
> Cc: Eric Anholt <eric@anholt.net>
> Cc: Stefan Wahren <stefan.wahren@i2se.com>
> Cc: Florian Fainelli <f.fainelli@gmail.com>
> Cc: Ray Jui <rjui@broadcom.com>
> Cc: Scott Branden <sbranden@broadcom.com>
> Cc: bcm-kernel-feedback-list@broadcom.com
> Cc: Phil Elwell <phil@raspberrypi.org>
> Cc: Boris Brezillon <boris.brezillon@bootlin.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Danilo Krummrich <danilokrummrich@dk-develop.de>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---

Applied to clk-next

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diff mbox

Patch

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index fa0d5c8611a0..1329440af59f 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -398,7 +398,6 @@  static int bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base,
 				  struct debugfs_reg32 *regs, size_t nregs,
 				  struct dentry *dentry)
 {
-	struct dentry *regdump;
 	struct debugfs_regset32 *regset;
 
 	regset = devm_kzalloc(cprman->dev, sizeof(*regset), GFP_KERNEL);
@@ -409,10 +408,9 @@  static int bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base,
 	regset->nregs = nregs;
 	regset->base = cprman->regs + base;
 
-	regdump = debugfs_create_regset32("regdump", S_IRUGO, dentry,
-					  regset);
+	debugfs_create_regset32("regdump", S_IRUGO, dentry, regset);
 
-	return regdump ? 0 : -ENOMEM;
+	return 0;
 }
 
 struct bcm2835_pll_data {