scsi: print single-character strings with seq_putc

Using seq_putc to print a single character saves at least a strlen()
call and a memory access, and may also give a small .text reduction.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/aic7xxx/aic79xx_proc.c

@@ -148,9 +148,9 @@ ahd_format_transinfo(struct seq_file *m, struct ahd_transinfo *tinfo)
 		}
 		seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
 	} else if (freq != 0) {
-		seq_puts(m, ")");
+		seq_putc(m, ')');
 	}
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 }
 
 static void
@@ -294,14 +294,14 @@ ahd_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
 		seq_puts(m, "Serial EEPROM:\n");
 		for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
 			if (((i % 8) == 0) && (i != 0)) {
-				seq_puts(m, "\n");
+				seq_putc(m, '\n');
 			}
 			seq_printf(m, "0x%.4x ",
 				  ((uint16_t*)ahd->seep_config)[i]);
 		}
-		seq_puts(m, "\n");
+		seq_putc(m, '\n');
 	}
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 
 	if ((ahd->features & AHD_WIDE) == 0)
 		max_targ = 8;

drivers/scsi/aic7xxx/aic7xxx_proc.c

@@ -125,9 +125,9 @@ ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
 		}
 		seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
 	} else if (freq != 0) {
-		seq_puts(m, ")");
+		seq_putc(m, ')');
 	}
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 }
 
 static void
@@ -308,14 +308,14 @@ ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
 		seq_puts(m, "Serial EEPROM:\n");
 		for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
 			if (((i % 8) == 0) && (i != 0)) {
-				seq_puts(m, "\n");
+				seq_putc(m, '\n');
 			}
 			seq_printf(m, "0x%.4x ",
 				  ((uint16_t*)ahc->seep_config)[i]);
 		}
-		seq_puts(m, "\n");
+		seq_putc(m, '\n');
 	}
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 
 	max_targ = 16;
 	if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)