staging: speakup: Added spaces around arithmetic operators.

Added spaces around arithmetic operators (+, -, /), to fix the checkpatch
issue.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/speakup/kobjects.c

@@ -291,7 +291,7 @@ static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
 	i *= (int)cp1[-1] + 1;
 	i += 2; /* 0 and last map ver */
 	if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
-			i+SHIFT_TBL_SIZE+4 >= sizeof(spk_key_buf)) {
+			i + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) {
 		pr_warn("i %d %d %d %d\n", i,
 				(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
 		kfree(in_buff);
@@ -483,7 +483,7 @@ static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
 		*cp++ = (char)i;
 	}
 	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-	return cp-buf;
+	return cp - buf;
 }
 
 /*
@@ -574,7 +574,7 @@ ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
 			*cp1++ = '"';
 			*cp1++ = '\n';
 			*cp1 = '\0';
-			rv = cp1-buf;
+			rv = cp1 - buf;
 		} else {
 			rv = sprintf(buf, "\"\"\n");
 		}

drivers/staging/speakup/selection.c

@@ -99,7 +99,7 @@ int speakup_set_selection(struct tty_struct *tty)
 	sel_start = new_sel_start;
 	sel_end = new_sel_end;
 	/* Allocate a new buffer before freeing the old one ... */
-	bp = kmalloc((sel_end-sel_start)/2+1, GFP_ATOMIC);
+	bp = kmalloc((sel_end - sel_start) / 2 + 1, GFP_ATOMIC);
 	if (!bp) {
 		speakup_clear_selection();
 		return -ENOMEM;

drivers/staging/speakup/serialio.c

@@ -97,7 +97,7 @@ static irqreturn_t synth_readbuf_handler(int irq, void *dev_id)
 
 	spin_lock_irqsave(&speakup_info.spinlock, flags);
 	while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) {
-		c = inb_p(speakup_info.port_tts+UART_RX);
+		c = inb_p(speakup_info.port_tts + UART_RX);
 		synth->read_buff_add((u_char)c);
 	}
 	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
@@ -122,10 +122,10 @@ static void start_serial_interrupt(int irq)
 	/* Turn on Interrupts */
 	outb(UART_IER_MSI|UART_IER_RLSI|UART_IER_RDI,
 			speakup_info.port_tts + UART_IER);
-	inb(speakup_info.port_tts+UART_LSR);
-	inb(speakup_info.port_tts+UART_RX);
-	inb(speakup_info.port_tts+UART_IIR);
-	inb(speakup_info.port_tts+UART_MSR);
+	inb(speakup_info.port_tts + UART_LSR);
+	inb(speakup_info.port_tts + UART_RX);
+	inb(speakup_info.port_tts + UART_IIR);
+	inb(speakup_info.port_tts + UART_MSR);
 	outb(1, speakup_info.port_tts + UART_FCR);	/* Turn FIFO On */
 }
 
@@ -138,7 +138,7 @@ void spk_stop_serial_interrupt(void)
 		return;
 
 	/* Turn off interrupts */
-	outb(0, speakup_info.port_tts+UART_IER);
+	outb(0, speakup_info.port_tts + UART_IER);
 	/* Free IRQ */
 	free_irq(serstate->irq, (void *)synth_readbuf_handler);
 }

drivers/staging/speakup/speakup_acntpc.c

@@ -233,7 +233,7 @@ static void do_catch_up(struct spk_synth *synth)
 			delay_time_val = delay_time->u.n.value;
 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 			schedule_timeout(msecs_to_jiffies(delay_time_val));
-			jiff_max = jiffies+jiffy_delta_val;
+			jiff_max = jiffies + jiffy_delta_val;
 		}
 	}
 	timeout = SPK_XMITR_TIMEOUT;
@@ -260,13 +260,13 @@ static int synth_probe(struct spk_synth *synth)
 		speakup_info.port_tts = port_forced;
 		pr_info("probe forced to %x by kernel command line\n",
 				speakup_info.port_tts);
-		if (synth_request_region(speakup_info.port_tts-1,
+		if (synth_request_region(speakup_info.port_tts - 1,
 					SYNTH_IO_EXTENT)) {
 			pr_warn("sorry, port already reserved\n");
 			return -EBUSY;
 		}
-		port_val = inw(speakup_info.port_tts-1);
-		synth_port_control = speakup_info.port_tts-1;
+		port_val = inw(speakup_info.port_tts - 1);
+		synth_port_control = speakup_info.port_tts - 1;
 	} else {
 		for (i = 0; synth_portlist[i]; i++) {
 			if (synth_request_region(synth_portlist[i],
@@ -294,7 +294,7 @@ static int synth_probe(struct spk_synth *synth)
 		return -ENODEV;
 	}
 	pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
-		synth_port_control, synth_port_control+SYNTH_IO_EXTENT-1,
+		synth_port_control, synth_port_control + SYNTH_IO_EXTENT - 1,
 		synth->version);
 	synth->alive = 1;
 	return 0;