clk: davinci: no need to check return value of debugfs_create functions
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 May 2018 16:08:02 +0000 (18:08 +0200)
committerStephen Boyd <sboyd@kernel.org>
Sat, 2 Jun 2018 02:22:56 +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.

Acked-by: David Lechner <david@lechnology.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/davinci/pll.c

index 23a24c944f1d2f11aa2c3eba403a77ef0d89d41a..bb9594703d4a1f74315e18a7ae6000fd11bca5e3 100644 (file)
@@ -878,7 +878,6 @@ static int davinci_pll_debug_init(struct clk_hw *hw, struct dentry *dentry)
 {
        struct davinci_pll_clk *pll = to_davinci_pll_clk(hw);
        struct debugfs_regset32 *regset;
-       struct dentry *d;
 
        regset = kzalloc(sizeof(*regset), GFP_KERNEL);
        if (!regset)
@@ -888,11 +887,7 @@ static int davinci_pll_debug_init(struct clk_hw *hw, struct dentry *dentry)
        regset->nregs = ARRAY_SIZE(davinci_pll_regs);
        regset->base = pll->base;
 
-       d = debugfs_create_regset32("registers", 0400, dentry, regset);
-       if (IS_ERR(d)) {
-               kfree(regset);
-               return PTR_ERR(d);
-       }
+       debugfs_create_regset32("registers", 0400, dentry, regset);
 
        return 0;
 }