Mathias Krause ([email protected]) just uploaded a new patch set to 
gerrit, which you can find at http://review.coreboot.org/747

-gerrit

commit fd0f87b5695eeb3ec120dcdbb9409473582c4949
Author: Mathias Krause <[email protected]>
Date:   Tue Mar 6 16:10:27 2012 +0100

    Fix some compiler warnings
    
    The makefile cleanup brought up quite a few compiler warnings about
    unused functions and/or variables, undefined behaviour, missing return
    values and type mismatches. Fix those.
    
    Change-Id: I0e01b5fafd9d7594ec41c01d849f6ef9a2d56299
    Signed-off-by: Mathias Krause <[email protected]>
---
 drivers/flash/lxflash.c |   14 ++------------
 fs/blockdev.c           |   14 +++++++-------
 fs/fsys_cramfs.c        |    6 +++---
 fs/fsys_ext2fs.c        |    5 ++---
 fs/fsys_xfs.c           |    2 +-
 fs/mini_inflate.c       |    5 ++++-
 i386/wince_load.c       |    2 +-
 include/fs.h            |    2 +-
 main/grub/builtins.c    |    6 +++---
 main/grub/completions.c |    2 +-
 main/grub/grub.c        |    2 ++
 11 files changed, 27 insertions(+), 33 deletions(-)

diff --git a/drivers/flash/lxflash.c b/drivers/flash/lxflash.c
index ba76741..df18c8d 100644
--- a/drivers/flash/lxflash.c
+++ b/drivers/flash/lxflash.c
@@ -345,16 +345,6 @@ static __inline void NAND_writeByte(u8 b)
        outb(b, g_baseAddr + IO_NAND_DATA);
 }
 
-static void NAND_writeData(u8 *pData, int nSize)
-{
-       int i;
-       if(nSize > 528) return; // oversized buffer?
-
-       // write byte by byte, pedestrian way
-       for(i=0; i<nSize; i++)
-               NAND_writeByte(pData[i]);
-}
-
 
////////////////////////////////////////////////////////////////////////////////
 //
 // NAND_getStatus()
@@ -521,7 +511,7 @@ __inline int IsECCWritten(u8 *pECC)
 
////////////////////////////////////////////////////////////////////////////////
 // 
 
-int NAND_close(void)
+void NAND_close(void)
 {
        if (g_chipID >= 0)
                wrmsr(MSR_DIVIL_LBAR_FLSH0 + g_chipID, g_orig_flsh);
@@ -650,7 +640,7 @@ int NAND_readPage(u32 pageAddr, u8 *pPageBuff)
        // sanity check
        if (pageAddr < (g_flashInfo.numBlocks * g_flashInfo.pagesPerBlock))
        {
-               u8 bData = 0, bBadBlock = 0, bReserved = 0;
+               u8 bBadBlock = 0, bReserved = 0;
 
                u8 addr1 = (u8)(pageAddr & 0xff);
                u8 addr2 = (u8)((pageAddr >> 8) & 0xff);
diff --git a/fs/blockdev.c b/fs/blockdev.c
index 21d2c29..e1e9d57 100644
--- a/fs/blockdev.c
+++ b/fs/blockdev.c
@@ -385,8 +385,10 @@ static void *read_sector(unsigned long sector)
                        int count = (NUM_CACHE-hash>8)?8:(NUM_CACHE-hash);
                        int ret;
                        ret = ide_read_blocks(dev_drive, sector, count, buf);
-                       if (ret == 2)
-                               goto nomedium;
+                       if (ret == 2) {
+                               printf("No disk in drive.\n");
+                               goto err_out;
+                       }
                        if (ret != 0)
                                goto readerr;
                        while (--count>0) {
@@ -426,11 +428,9 @@ static void *read_sector(unsigned long sector)
       readerr:
        printf("Disk read error dev=%d drive=%d sector=%lu\n",
               dev_type, dev_drive, sector);
-       flush_cache();
-       dev_name[0] = '\0';     /* force re-open the device next time */
-       return 0;
-      nomedium:
-       printf("No disk in drive.\n");
+#ifdef CONFIG_IDE_NEW_DISK
+      err_out:
+#endif
        flush_cache();
        dev_name[0] = '\0';     /* force re-open the device next time */
        return 0;
diff --git a/fs/fsys_cramfs.c b/fs/fsys_cramfs.c
index c5a9247..d7cb19b 100644
--- a/fs/fsys_cramfs.c
+++ b/fs/fsys_cramfs.c
@@ -103,8 +103,8 @@ struct cramfs_buf {
        struct cramfs_inode inode;
        char name[NAMELEN_MAX + 1];
        u32 block_ptrs[CRAMFS_MAX_BLOCKS];
-       char data[CRAMFS_BLOCK * 2];
-       char temp[CRAMFS_BLOCK];
+       unsigned char data[CRAMFS_BLOCK * 2];
+       unsigned char temp[CRAMFS_BLOCK];
        /* menu.lst is read 1 byte at a time, try to aleviate *
         * the performance problem */
        long cached_block;              /* the uncompressed block in 
cramfs_buf->data */
@@ -246,7 +246,7 @@ cramfs_read (char *buf, int len)
                                memcpy(buf, cramfs_buf->temp + (filepos % 
CRAMFS_BLOCK), size);         
                } else  {
                        /* just another full block read */
-                       size = decompress_block(buf, cramfs_buf->data + 2, 
memcpy);
+                       size = decompress_block((unsigned char *)buf, 
cramfs_buf->data + 2, memcpy);
                }
                if (size < 0) {
                        debug_cramfs("error in decomp (error %d)\n", size);
diff --git a/fs/fsys_ext2fs.c b/fs/fsys_ext2fs.c
index 30a78ec..96e2e68 100644
--- a/fs/fsys_ext2fs.c
+++ b/fs/fsys_ext2fs.c
@@ -631,10 +631,9 @@ static int
 ext4fs_block_map (int logical_block)
 {
   struct ext4_extent_header *eh;
-  struct ext4_extent *ex, *extent;
-  struct ext4_extent_idx *ei, *index;
+  struct ext4_extent_idx *ei;
+  struct ext4_extent *ex;
   int depth;
-  int i;
 
 #ifdef E2DEBUG
   unsigned char *i;
diff --git a/fs/fsys_xfs.c b/fs/fsys_xfs.c
index 4011479..c71af98 100644
--- a/fs/fsys_xfs.c
+++ b/fs/fsys_xfs.c
@@ -365,7 +365,7 @@ next_dentry (xfs_ino_t *ino)
                default:
                        namelen = sfe->namelen;
                        *ino = sf_ino ((char *)sfe, namelen);
-                       name = sfe->name;
+                       name = (char *) sfe->name;
                        sfe = (xfs_dir2_sf_entry_t *)
                                  ((char *)sfe + namelen + 11 - xfs.i8param);
                }
diff --git a/fs/mini_inflate.c b/fs/mini_inflate.c
index 17e3390..eae371d 100644
--- a/fs/mini_inflate.c
+++ b/fs/mini_inflate.c
@@ -185,7 +185,10 @@ static void decompress_huffman(struct bitstream *stream, 
unsigned char *dest)
                                dist += (symbol % 2) << ((symbol - 2) >> 1);
                        }
                        stream->decoded += length;
-                       for (i = 0; i < length; i++) *(dest++) = dest[-dist];
+                       for (i = 0; i < length; i++) {
+                               *dest = dest[-dist];
+                               dest++;
+                       }
                }
        } while (symbol != 256); /* 256 is the end of the data block */
 }
diff --git a/i386/wince_load.c b/i386/wince_load.c
index f3e5475..993815f 100644
--- a/i386/wince_load.c
+++ b/i386/wince_load.c
@@ -240,7 +240,7 @@ void wince_init_bootarg(u32 entryPoint)
        g_pBootArgs->dwEdbgBaseAddr = 0;
 
        // set the KITL device name to something adequate
-       strcpy(g_pBootArgs->szDeviceNameRoot, "FILO");
+       strcpy((char *) g_pBootArgs->szDeviceNameRoot, "FILO");
 
        g_pBootArgs->dwSig = BOOTARG_SIGNATURE;
        g_pBootArgs->dwLen = sizeof(BOOT_ARGS);
diff --git a/include/fs.h b/include/fs.h
index 1bd8ec7..3138ab5 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -46,7 +46,7 @@ int usb_read(const int drive, const sector_t sector, const 
int size, void *buffe
 #ifdef CONFIG_FLASH_DISK
 int flash_probe(int drive);
 int flash_read(int drive, sector_t sector, void *buffer);
-int NAND_close(void);
+void NAND_close(void);
 #endif
 
 #define DISK_IDE 1
diff --git a/main/grub/builtins.c b/main/grub/builtins.c
index e2f4612..3451071 100644
--- a/main/grub/builtins.c
+++ b/main/grub/builtins.c
@@ -379,9 +379,9 @@ static int dumpmem_func(char *arg, int flags)
        }
 
        // FIXME
-       if (!safe_parse_maxint(&string_argv[1], &mem_base))
+       if (!safe_parse_maxint(&string_argv[1], (int *)&mem_base))
                return 1;
-       if (!safe_parse_maxint(&string_argv[2], &mem_len))
+       if (!safe_parse_maxint(&string_argv[2], (int *)&mem_len))
                return 1;
 
        grub_printf("Dumping memory at 0x%08x (0x%x bytes)\n",
@@ -668,7 +668,7 @@ void copy_path_to_filo_bootline(char *arg, char *path, int 
use_rootdev, int appe
        char drivername[16];
        int disk, part;
        unsigned long addr;
-       int i, len;
+       int i;
 
        memset(devicename, 0, 16);
        memset(drivername, 0, 16);
diff --git a/main/grub/completions.c b/main/grub/completions.c
index a3aeba2..abfe1d9 100644
--- a/main/grub/completions.c
+++ b/main/grub/completions.c
@@ -120,7 +120,7 @@ int print_completions(int is_filename, int is_completion)
                if (*buf == '(' && (incomplete || ! *ptr)) {
                        if (!part_choice) {
                                /* disk completions */
-                               int disk_no, i, j;
+                               int i, j;
 
                                if (!is_completion)
                                        grub_printf (" Possible disks are: ");
diff --git a/main/grub/grub.c b/main/grub/grub.c
index b4bee04..b629435 100644
--- a/main/grub/grub.c
+++ b/main/grub/grub.c
@@ -201,6 +201,7 @@ old:
 
 }
 
+#ifdef CONFIG_NON_INTERACTIVE
 static void reboot(void) {
        for (;;) {
                grub_printf("Press any key to reboot.\n");
@@ -210,6 +211,7 @@ static void reboot(void) {
                }
        }
 }
+#endif
 
 /* Define if there is user specified preset menu string */
 /* #undef PRESET_MENU_STRING */

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