[PATCH 7/10] dm: printk tgt->error if dm_table_add_target() fails.

From: Joe Thornber (joe@fib011235813.fsnet.co.uk)
Date: Wed Jan 08 2003 - 04:58:39 EST


printk tgt->error if dm_table_add_target() fails.
--- diff/drivers/md/dm-table.c 2003-01-02 11:26:35.000000000 +0000
+++ source/drivers/md/dm-table.c 2003-01-02 11:26:53.000000000 +0000
@@ -578,9 +578,8 @@
 int dm_table_add_target(struct dm_table *t, const char *type,
                         sector_t start, sector_t len, char *params)
 {
- int r, argc;
+ int r = -EINVAL, argc;
         char *argv[32];
- struct target_type *tt;
         struct dm_target *tgt;
 
         if ((r = check_space(t)))
@@ -589,14 +588,13 @@
         tgt = t->targets + t->num_targets;
         memset(tgt, 0, sizeof(*tgt));
 
- tt = dm_get_target_type(type);
- if (!tt) {
+ tgt->type = dm_get_target_type(type);
+ if (!tgt->type) {
                 tgt->error = "unknown target type";
- return -EINVAL;
+ goto bad;
         }
 
         tgt->table = t;
- tgt->type = tt;
         tgt->begin = start;
         tgt->len = len;
         tgt->error = "Unknown error";
@@ -605,23 +603,19 @@
          * Does this target adjoin the previous one ?
          */
         if (!adjoin(t, tgt)) {
- DMERR("Gap in table");
- dm_put_target_type(tt);
- return -EINVAL;
+ tgt->error = "Gap in table";
+ goto bad;
         }
 
         r = split_args(ARRAY_SIZE(argv), &argc, argv, params);
         if (r) {
                 tgt->error = "couldn't split parameters";
- dm_put_target_type(tt);
- return r;
+ goto bad;
         }
 
- r = tt->ctr(tgt, argc, argv);
- if (r) {
- dm_put_target_type(tt);
- return r;
- }
+ r = tgt->type->ctr(tgt, argc, argv);
+ if (r)
+ goto bad;
 
         t->highs[t->num_targets++] = tgt->begin + tgt->len - 1;
 
@@ -629,6 +623,11 @@
          * the merge fn apply the target level restrictions. */
         combine_restrictions_low(&t->limits, &tgt->limits);
         return 0;
+
+ bad:
+ printk(KERN_ERR DM_NAME ": %s\n", tgt->error);
+ dm_put_target_type(tgt->type);
+ return r;
 }
 
 static int setup_indexes(struct dm_table *t)
-
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:22 EST