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yaffs2: Fix GCC 4.6 compile warnings

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Fix:
yaffs_guts.c: In function 'yaffs_check_chunk_erased':
yaffs_guts.c:324:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c: In function 'yaffs_verify_chunk_written':
yaffs_guts.c:352:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c: In function 'yaffs_grab_chunk_cache':
yaffs_guts.c:1488:6: warning: variable 'pushout' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c: In function 'yaffs_check_obj_details_loaded':
yaffs_guts.c:3180:6: warning: variable 'alloc_failed' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c:3179:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c: In function 'yaffs_update_oh':
yaffs_guts.c:3288:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_guts.c: In function 'yaffs_get_obj_name':
yaffs_guts.c:4447:7: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_summary.c: In function 'yaffs_summary_read':
yaffs_summary.c:194:6: warning: variable 'sum_tags_bytes' set but not
used [-Wunused-but-set-variable]
yaffs_verify.c: In function 'yaffs_verify_file':
yaffs_verify.c:227:6: warning: variable 'actual_depth' set but not used
[-Wunused-but-set-variable]
yaffs_yaffs1.c: In function 'yaffs1_scan':
yaffs_yaffs1.c:26:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_yaffs2.c: In function 'yaffs2_scan_chunk':
yaffs_yaffs2.c:949:6: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
yaffs_yaffs2.c: In function 'yaffs2_scan_backwards':
yaffs_yaffs2.c:1352:6: warning: variable 'deleted' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Charles Manning <cdhmanning@gmail.com>
Tested-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
This commit is contained in:
Anatolij Gustschin 2012-10-05 23:31:03 +00:00 committed by Tom Rini
parent d1efb6442a
commit 8cc64bafc0
5 changed files with 14 additions and 40 deletions
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27
fs/yaffs2/yaffs_guts.c
View File

@ -321,9 +321,8 @@ static int yaffs_check_chunk_erased(struct yaffs_dev *dev, int nand_chunk)
int retval = YAFFS_OK;
u8 *data = yaffs_get_temp_buffer(dev);
struct yaffs_ext_tags tags;
int result;
result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags);
yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags);
if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR)
retval = YAFFS_FAIL;
@ -349,9 +348,8 @@ static int yaffs_verify_chunk_written(struct yaffs_dev *dev,
int retval = YAFFS_OK;
struct yaffs_ext_tags temp_tags;
u8 *buffer = yaffs_get_temp_buffer(dev);
int result;
result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, buffer, &temp_tags);
yaffs_rd_chunk_tags_nand(dev, nand_chunk, buffer, &temp_tags);
if (memcmp(buffer, data, dev->data_bytes_per_chunk) ||
temp_tags.obj_id != tags->obj_id ||
temp_tags.chunk_id != tags->chunk_id ||
@ -1485,7 +1483,6 @@ static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev)
struct yaffs_obj *the_obj;
int usage;
int i;
int pushout;
if (dev->param.n_caches < 1)
return NULL;
@ -1506,7 +1503,6 @@ static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev)
the_obj = dev->cache[0].object;
usage = -1;
cache = NULL;
pushout = -1;
for (i = 0; i < dev->param.n_caches; i++) {
if (dev->cache[i].object &&
@ -1516,7 +1512,6 @@ static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev)
usage = dev->cache[i].last_use;
the_obj = dev->cache[i].object;
cache = &dev->cache[i];
pushout = i;
}
}
@ -3176,8 +3171,6 @@ static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
struct yaffs_obj_hdr *oh;
struct yaffs_dev *dev;
struct yaffs_ext_tags tags;
int result;
int alloc_failed = 0;
if (!in || !in->lazy_loaded || in->hdr_chunk < 1)
return;
@ -3186,7 +3179,7 @@ static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
in->lazy_loaded = 0;
buf = yaffs_get_temp_buffer(dev);
result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags);
yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags);
oh = (struct yaffs_obj_hdr *)buf;
in->yst_mode = oh->yst_mode;
@ -3196,8 +3189,6 @@ static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
in->variant.symlink_variant.alias =
yaffs_clone_str(oh->alias);
if (!in->variant.symlink_variant.alias)
alloc_failed = 1; /* Not returned */
}
yaffs_release_temp_buffer(dev, buf);
}
@ -3285,7 +3276,6 @@ int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, int force,
struct yaffs_dev *dev = in->my_dev;
int prev_chunk_id;
int ret_val = 0;
int result = 0;
int new_chunk_id;
struct yaffs_ext_tags new_tags;
struct yaffs_ext_tags old_tags;
@ -3309,8 +3299,8 @@ int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, int force,
prev_chunk_id = in->hdr_chunk;
if (prev_chunk_id > 0) {
result = yaffs_rd_chunk_tags_nand(dev, prev_chunk_id,
buffer, &old_tags);
yaffs_rd_chunk_tags_nand(dev, prev_chunk_id,
buffer, &old_tags);
yaffs_verify_oh(in, oh, &old_tags, 0);
memcpy(old_name, oh->name, sizeof(oh->name));
@ -4444,7 +4434,6 @@ int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR *name, int buffer_size)
} else if (obj->short_name[0]) {
yaffs_strcpy(name, obj->short_name);
} else if (obj->hdr_chunk > 0) {
int result;
u8 *buffer = yaffs_get_temp_buffer(obj->my_dev);
struct yaffs_obj_hdr *oh = (struct yaffs_obj_hdr *)buffer;
@ -4452,9 +4441,9 @@ int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR *name, int buffer_size)
memset(buffer, 0, obj->my_dev->data_bytes_per_chunk);
if (obj->hdr_chunk > 0) {
result = yaffs_rd_chunk_tags_nand(obj->my_dev,
obj->hdr_chunk,
buffer, NULL);
yaffs_rd_chunk_tags_nand(obj->my_dev,
obj->hdr_chunk,
buffer, NULL);
}
yaffs_load_name_from_oh(obj->my_dev, name, oh->name,
buffer_size);

3
fs/yaffs2/yaffs_summary.c
View File

@ -191,10 +191,7 @@ int yaffs_summary_read(struct yaffs_dev *dev,
struct yaffs_summary_header hdr;
struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk);
int sum_bytes_per_chunk = dev->data_bytes_per_chunk - sizeof(hdr);
int sum_tags_bytes;
sum_tags_bytes = sizeof(struct yaffs_summary_tags) *
dev->chunks_per_summary;
buffer = yaffs_get_temp_buffer(dev);
n_bytes = sizeof(struct yaffs_summary_tags) * dev->chunks_per_summary;
chunk_in_block = dev->chunks_per_summary;

3
fs/yaffs2/yaffs_verify.c
View File

@ -224,7 +224,6 @@ void yaffs_verify_file(struct yaffs_obj *obj)
{
u32 x;
int required_depth;
int actual_depth;
int last_chunk;
u32 offset_in_chunk;
u32 the_chunk;
@ -256,8 +255,6 @@ void yaffs_verify_file(struct yaffs_obj *obj)
required_depth++;
}
actual_depth = obj->variant.file_variant.top_level;
/* Check that the chunks in the tnode tree are all correct.
* We do this by scanning through the tnode tree and
* checking the tags for every chunk match.

9
fs/yaffs2/yaffs_yaffs1.c
View File

@ -23,7 +23,6 @@ int yaffs1_scan(struct yaffs_dev *dev)
{
struct yaffs_ext_tags tags;
int blk;
int result;
int chunk;
int c;
int deleted;
@ -95,8 +94,7 @@ int yaffs1_scan(struct yaffs_dev *dev)
/* Read the tags and decide what to do */
chunk = blk * dev->param.chunks_per_block + c;
result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL,
&tags);
yaffs_rd_chunk_tags_nand(dev, chunk, NULL, &tags);
/* Let's have a good look at this chunk... */
@ -181,9 +179,8 @@ int yaffs1_scan(struct yaffs_dev *dev)
yaffs_set_chunk_bit(dev, blk, c);
bi->pages_in_use++;
result = yaffs_rd_chunk_tags_nand(dev, chunk,
chunk_data,
NULL);
yaffs_rd_chunk_tags_nand(dev, chunk,
chunk_data, NULL);
oh = (struct yaffs_obj_hdr *)chunk_data;

12
fs/yaffs2/yaffs_yaffs2.c
View File

@ -946,7 +946,6 @@ static inline int yaffs2_scan_chunk(struct yaffs_dev *dev,
int is_shrink;
int is_unlinked;
struct yaffs_ext_tags tags;
int result;
int alloc_failed = 0;
int chunk = blk * dev->param.chunks_per_block + chunk_in_block;
struct yaffs_file_var *file_var;
@ -954,12 +953,12 @@ static inline int yaffs2_scan_chunk(struct yaffs_dev *dev,
struct yaffs_symlink_var *sl_var;
if (summary_available) {
result = yaffs_summary_fetch(dev, &tags, chunk_in_block);
yaffs_summary_fetch(dev, &tags, chunk_in_block);
tags.seq_number = bi->seq_number;
}
if (!summary_available || tags.obj_id == 0) {
result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, &tags);
yaffs_rd_chunk_tags_nand(dev, chunk, NULL, &tags);
dev->tags_used++;
} else {
dev->summary_used++;
@ -1114,10 +1113,7 @@ static inline int yaffs2_scan_chunk(struct yaffs_dev *dev,
* invalid data until needed.
*/
result = yaffs_rd_chunk_tags_nand(dev,
chunk,
chunk_data,
NULL);
yaffs_rd_chunk_tags_nand(dev, chunk, chunk_data, NULL);
oh = (struct yaffs_obj_hdr *)chunk_data;
@ -1349,7 +1345,6 @@ int yaffs2_scan_backwards(struct yaffs_dev *dev)
int n_to_scan = 0;
enum yaffs_block_state state;
int c;
int deleted;
LIST_HEAD(hard_list);
struct yaffs_block_info *bi;
u32 seq_number;
@ -1467,7 +1462,6 @@ int yaffs2_scan_backwards(struct yaffs_dev *dev)
/* get the block to scan in the correct order */
blk = block_index[block_iter].block;
bi = yaffs_get_block_info(dev, blk);
deleted = 0;
summary_available = yaffs_summary_read(dev, dev->sum_tags, blk);