clk: spear: Delete error messages for failed memory allocations

Omit extra messages for a memory allocation failure in these
functions.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/spear/clk-aux-synth.c

@@ -149,10 +149,8 @@ struct clk *clk_register_aux(const char *aux_name, const char *gate_name,
 	}
 
 	aux = kzalloc(sizeof(*aux), GFP_KERNEL);
-	if (!aux) {
-		pr_err("could not allocate aux clk\n");
+	if (!aux)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	/* struct clk_aux assignments */
 	if (!masks)

drivers/clk/spear/clk-frac-synth.c

@@ -136,10 +136,8 @@ struct clk *clk_register_frac(const char *name, const char *parent_name,
 	}
 
 	frac = kzalloc(sizeof(*frac), GFP_KERNEL);
-	if (!frac) {
-		pr_err("could not allocate frac clk\n");
+	if (!frac)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	/* struct clk_frac assignments */
 	frac->reg = reg;

drivers/clk/spear/clk-gpt-synth.c

@@ -125,10 +125,8 @@ struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned
 	}
 
 	gpt = kzalloc(sizeof(*gpt), GFP_KERNEL);
-	if (!gpt) {
-		pr_err("could not allocate gpt clk\n");
+	if (!gpt)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	/* struct clk_gpt assignments */
 	gpt->reg = reg;

drivers/clk/spear/clk-vco-pll.c

@@ -292,16 +292,12 @@ struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name,
 	}
 
 	vco = kzalloc(sizeof(*vco), GFP_KERNEL);
-	if (!vco) {
-		pr_err("could not allocate vco clk\n");
+	if (!vco)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("could not allocate pll clk\n");
+	if (!pll)
 		goto free_vco;
-	}
 
 	/* struct clk_vco assignments */
 	vco->mode_reg = mode_reg;