yaffs: Clean up some Coverity checks
[yaffs2.git] / yaffs_tagscompat.c
index a35e0f312171d236549aa134ff4ff2bdee15d892..35d33c91fcee285ec557bac232e909a5faee31e4 100644 (file)
@@ -22,7 +22,7 @@ static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk);
 
 /********** Tags ECC calculations  *********/
 
-void yaffs_calc_ecc(const u8 * data, struct yaffs_spare *spare)
+void yaffs_calc_ecc(const u8 *data, struct yaffs_spare *spare)
 {
        yaffs_ecc_cacl(data, spare->ecc1);
        yaffs_ecc_cacl(&data[256], spare->ecc2);
@@ -31,7 +31,6 @@ void yaffs_calc_ecc(const u8 * data, struct yaffs_spare *spare)
 void yaffs_calc_tags_ecc(struct yaffs_tags *tags)
 {
        /* Calculate an ecc */
-
        unsigned char *b = ((union yaffs_tags_union *)tags)->as_bytes;
        unsigned i, j;
        unsigned ecc = 0;
@@ -46,9 +45,7 @@ void yaffs_calc_tags_ecc(struct yaffs_tags *tags)
                                ecc ^= bit;
                }
        }
-
        tags->ecc = ecc;
-
 }
 
 int yaffs_check_tags_ecc(struct yaffs_tags *tags)
@@ -76,7 +73,6 @@ int yaffs_check_tags_ecc(struct yaffs_tags *tags)
                /* TODO Need to do somethiong here */
                return -1;      /* unrecovered error */
        }
-
        return 0;
 }
 
@@ -128,13 +124,13 @@ static void yaffs_spare_init(struct yaffs_spare *spare)
 }
 
 static int yaffs_wr_nand(struct yaffs_dev *dev,
-                        int nand_chunk, const u8 * data,
+                        int nand_chunk, const u8 *data,
                         struct yaffs_spare *spare)
 {
        if (nand_chunk < dev->param.start_block * dev->param.chunks_per_block) {
-               T(YAFFS_TRACE_ERROR,
-                 (TSTR("**>> yaffs chunk %d is not valid" TENDSTR),
-                  nand_chunk));
+               yaffs_trace(YAFFS_TRACE_ERROR,
+                       "**>> yaffs chunk %d is not valid",
+                       nand_chunk);
                return YAFFS_FAIL;
        }
 
@@ -143,7 +139,7 @@ static int yaffs_wr_nand(struct yaffs_dev *dev,
 
 static int yaffs_rd_chunk_nand(struct yaffs_dev *dev,
                               int nand_chunk,
-                              u8 * data,
+                              u8 *data,
                               struct yaffs_spare *spare,
                               enum yaffs_ecc_result *ecc_result,
                               int correct_errors)
@@ -151,7 +147,7 @@ static int yaffs_rd_chunk_nand(struct yaffs_dev *dev,
        int ret_val;
        struct yaffs_spare local_spare;
 
-       if (!spare && data) {
+       if (!spare) {
                /* If we don't have a real spare, then we use a local one. */
                /* Need this for the calculation of the ecc */
                spare = &local_spare;
@@ -175,30 +171,26 @@ static int yaffs_rd_chunk_nand(struct yaffs_dev *dev,
                                              calc_ecc);
 
                        if (ecc_result1 > 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>yaffs ecc error fix performed on chunk %d:0"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>yaffs ecc error fix performed on chunk %d:0",
+                                       nand_chunk);
                                dev->n_ecc_fixed++;
                        } else if (ecc_result1 < 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>yaffs ecc error unfixed on chunk %d:0"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>yaffs ecc error unfixed on chunk %d:0",
+                                       nand_chunk);
                                dev->n_ecc_unfixed++;
                        }
 
                        if (ecc_result2 > 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>yaffs ecc error fix performed on chunk %d:1"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>yaffs ecc error fix performed on chunk %d:1",
+                                       nand_chunk);
                                dev->n_ecc_fixed++;
                        } else if (ecc_result2 < 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>yaffs ecc error unfixed on chunk %d:1"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>yaffs ecc error unfixed on chunk %d:1",
+                                       nand_chunk);
                                dev->n_ecc_unfixed++;
                        }
 
@@ -227,27 +219,23 @@ static int yaffs_rd_chunk_nand(struct yaffs_dev *dev,
                memcpy(spare, &nspare, sizeof(struct yaffs_spare));
                if (data && correct_errors) {
                        if (nspare.eccres1 > 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>mtd ecc error fix performed on chunk %d:0"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>mtd ecc error fix performed on chunk %d:0",
+                                       nand_chunk);
                        } else if (nspare.eccres1 < 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>mtd ecc error unfixed on chunk %d:0"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>mtd ecc error unfixed on chunk %d:0",
+                                       nand_chunk);
                        }
 
                        if (nspare.eccres2 > 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>mtd ecc error fix performed on chunk %d:1"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>mtd ecc error fix performed on chunk %d:1",
+                                       nand_chunk);
                        } else if (nspare.eccres2 < 0) {
-                               T(YAFFS_TRACE_ERROR,
-                                 (TSTR
-                                  ("**>>mtd ecc error unfixed on chunk %d:1"
-                                   TENDSTR), nand_chunk));
+                               yaffs_trace(YAFFS_TRACE_ERROR,
+                                       "**>>mtd ecc error unfixed on chunk %d:1",
+                                       nand_chunk);
                        }
 
                        if (nspare.eccres1 || nspare.eccres2) {
@@ -276,11 +264,11 @@ static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk)
        int flash_block = nand_chunk / dev->param.chunks_per_block;
 
        /* Mark the block for retirement */
-       yaffs_get_block_info(dev,
-                            flash_block + dev->block_offset)->needs_retiring =
-           1;
-       T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
-         (TSTR("**>>Block %d marked for retirement" TENDSTR), flash_block));
+       yaffs_get_block_info(dev, flash_block + dev->block_offset)->
+               needs_retiring = 1;
+       yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+               "**>>Block %d marked for retirement",
+               flash_block);
 
        /* TODO:
         * Just do a garbage collection on the affected block
@@ -291,7 +279,7 @@ static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk)
 
 int yaffs_tags_compat_wr(struct yaffs_dev *dev,
                         int nand_chunk,
-                        const u8 * data, const struct yaffs_ext_tags *ext_tags)
+                        const u8 *data, const struct yaffs_ext_tags *ext_tags)
 {
        struct yaffs_spare spare;
        struct yaffs_tags tags;
@@ -325,13 +313,11 @@ int yaffs_tags_compat_wr(struct yaffs_dev *dev,
 
 int yaffs_tags_compat_rd(struct yaffs_dev *dev,
                         int nand_chunk,
-                        u8 * data, struct yaffs_ext_tags *ext_tags)
+                        u8 *data, struct yaffs_ext_tags *ext_tags)
 {
-
        struct yaffs_spare spare;
        struct yaffs_tags tags;
        enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_UNKNOWN;
-
        static struct yaffs_spare spare_ff;
        static int init;
 
@@ -340,7 +326,8 @@ int yaffs_tags_compat_rd(struct yaffs_dev *dev,
                init = 1;
        }
 
-       if (yaffs_rd_chunk_nand(dev, nand_chunk, data, &spare, &ecc_result, 1)) {
+       if (yaffs_rd_chunk_nand(dev, nand_chunk,
+                                       data, &spare, &ecc_result, 1)) {
                /* ext_tags may be NULL */
                if (ext_tags) {
 
@@ -379,7 +366,6 @@ int yaffs_tags_compat_rd(struct yaffs_dev *dev,
 
 int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int flash_block)
 {
-
        struct yaffs_spare spare;
 
        memset(&spare, 0xff, sizeof(struct yaffs_spare));
@@ -392,15 +378,13 @@ int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int flash_block)
                      NULL, &spare);
 
        return YAFFS_OK;
-
 }
 
 int yaffs_tags_compat_query_block(struct yaffs_dev *dev,
                                  int block_no,
                                  enum yaffs_block_state *state,
-                                 u32 * seq_number)
+                                 u32 *seq_number)
 {
-
        struct yaffs_spare spare0, spare1;
        static struct yaffs_spare spare_ff;
        static int init;