usb: gadget: f_uac2: remove redundant assignments to pointer i_feature

Pointer i_feature is being initialized with a value and then immediately
re-assigned a new value in the next statement. Fix this by replacing the
the redundant initialization with the following assigned value.

Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210804125907.111654-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/function/f_uac2.c

@@ -970,17 +970,13 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 	std_as_in_if1_desc.iInterface = us[STR_AS_IN_ALT1].id;
 
 	if (FUOUT_EN(uac2_opts)) {
-		u8 *i_feature = (u8 *)out_feature_unit_desc;
-
-		i_feature = (u8 *)out_feature_unit_desc +
-					out_feature_unit_desc->bLength - 1;
+		u8 *i_feature = (u8 *)out_feature_unit_desc +
+				out_feature_unit_desc->bLength - 1;
 		*i_feature = us[STR_FU_OUT].id;
 	}
 	if (FUIN_EN(uac2_opts)) {
-		u8 *i_feature = (u8 *)in_feature_unit_desc;
-
-		i_feature = (u8 *)in_feature_unit_desc +
-					in_feature_unit_desc->bLength - 1;
+		u8 *i_feature = (u8 *)in_feature_unit_desc +
+				in_feature_unit_desc->bLength - 1;
 		*i_feature = us[STR_FU_IN].id;
 	}