From: Will Sowerbutts <will@sowerbutts.com>
Date: Sun, 25 Jan 2015 22:16:07 +0000 (+0000)
Subject: devsd: Remove unused memory, fix return without releasing CS
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=5ee7cddcc5ce534fe0fffb9592158777007b307c;p=FUZIX.git

devsd: Remove unused memory, fix return without releasing CS
---

diff --git a/Kernel/dev/devsd.c b/Kernel/dev/devsd.c
index b4dff17d..939e37a1 100644
--- a/Kernel/dev/devsd.c
+++ b/Kernel/dev/devsd.c
@@ -18,8 +18,6 @@
 #include <stdbool.h>
 #include <blkdev.h>
 
-static uint8_t sd_card_type[SD_DRIVE_COUNT];
-
 /* internal functions */
 static void sd_init_drive(uint8_t drive);
 static int sd_spi_init(uint8_t drive);
@@ -52,9 +50,7 @@ static uint8_t devsd_transfer_sector(void)
                     sd_spi_transmit_byte(drive, 0xFF); /* dummy CRC */
                     sd_spi_transmit_byte(drive, 0xFF);
                     reply = sd_spi_receive_byte(drive);
-                    if((reply & 0x1f) != 0x05)
-                        return false; /* failed */
-                    return true; /* hooray! */
+                    success = ((reply & 0x1f) == 0x05);
                 }
             }
 	}else