mtd: nand: gpmi: disable the clocks on errors

We should disable the previously enabled GPMI clocks in the error paths.

Also, when gpmi_enable_clk() fails simply return the error
code immediately rather than jumping to to the 'err_out' label.

Signed-off-by: Fabio Estevam <[e-mail]>
Reviewed-by: Marek Vasut <[e-mail]>
Acked-by: Han Xu <[e-mail]>
Signed-off-by: Boris Brezillon <[e-mail]>

drivers/mtd/nand/gpmi-nand/gpmi-lib.c

···
 
 	ret = gpmi_enable_clk(this);
 	if (ret)
-		goto err_out;
+		return ret;
 	ret = gpmi_reset_block(r->gpmi_regs, false);
 	if (ret)
 		goto err_out;
···
 	gpmi_disable_clk(this);
 	return 0;
 err_out:
+	gpmi_disable_clk(this);
 	return ret;
 }
 
···
 
 	ret = gpmi_enable_clk(this);
 	if (ret)
-		goto err_out;
+		return ret;
 
 	/*
 	* Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this
···
 	gpmi_disable_clk(this);
 	return 0;
 err_out:
+	gpmi_disable_clk(this);
 	return ret;
 }