clk: bcm2835: no need to check return value of debugfs_create functions
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 May 2018 16:08:01 +0000 (18:08 +0200)
committerStephen Boyd <sboyd@kernel.org>
Sat, 2 Jun 2018 02:22:29 +0000 (19:22 -0700)
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>
Reviewed-by: 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>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/bcm/clk-bcm2835.c

index fa0d5c8..1329440 100644 (file)
@@ -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 {