fs/fat/fat_write.c: Fix GCC 4.6 warnings

Fix:
fat_write.c: In function 'find_directory_entry':
fat_write.c:826:8: warning: variable 'prevcksum' set but not used
[-Wunused-but-set-variable]
fat_write.c: In function 'do_fat_write':
fat_write.c:933:6: warning: variable 'root_cluster' set but not used
[-Wunused-but-set-variable]
fat_write.c:925:12: warning: variable 'slotptr' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Donggeun Kim <dg77.kim@samsung.com>
Acked-by: Maximilian Schwerin <mvs@tigris.de>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index 16f8400..a6181e7 100644 (file)
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -823,7 +823,6 @@ static dir_entry *empty_dentptr;
 static dir_entry *find_directory_entry(fsdata *mydata, int startsect,
        char *filename, dir_entry *retdent, __u32 start)
 {
-       __u16 prevcksum = 0xffff;
        __u32 curclust = (startsect - mydata->data_begin) / mydata->clust_size;
 
        debug("get_dentfromdir: %s\n", filename);
@@ -857,8 +856,6 @@ static dir_entry *find_directory_entry(fsdata *mydata, int startsect,
 #ifdef CONFIG_SUPPORT_VFAT
                                if ((dentptr->attr & ATTR_VFAT) &&
                                    (dentptr->name[0] & LAST_LONG_ENTRY_MASK)) {
-                                       prevcksum =
-                                       ((dir_slot *)dentptr)->alias_checksum;
                                        get_long_file_name(mydata, curclust,
                                                     get_dentfromdir_block,
                                                     &dentptr, l_name);
@@ -922,7 +919,6 @@ static int do_fat_write(const char *filename, void *buffer,
        unsigned long size)
 {
        dir_entry *dentptr, *retdent;
-       dir_slot *slotptr;
        __u32 startsect;
        __u32 start_cluster;
        boot_sector bs;
@@ -930,7 +926,7 @@ static int do_fat_write(const char *filename, void *buffer,
        fsdata datablock;
        fsdata *mydata = &datablock;
        int cursect;
-       int root_cluster, ret = -1, name_len;
+       int ret = -1, name_len;
        char l_filename[VFAT_MAXLEN_BYTES];
        int write_size = size;
 
@@ -945,8 +941,6 @@ static int do_fat_write(const char *filename, void *buffer,
        if (total_sector == 0)
                total_sector = cur_part_info.size;
 
-       root_cluster = bs.root_cluster;
-
        if (mydata->fatsize == 32)
                mydata->fatlength = bs.fat32_length;
        else
@@ -1047,8 +1041,6 @@ static int do_fat_write(const char *filename, void *buffer,
                        goto exit;
                }
        } else {
-               slotptr = (dir_slot *)empty_dentptr;
-
                /* Set short name to set alias checksum field in dir_slot */
                set_name(empty_dentptr, filename);
                fill_dir_slot(mydata, &empty_dentptr, filename);