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-rw-r--r--g10/getkey.c2
-rw-r--r--g10/keygen.c2
-rw-r--r--g10/tofu.c6
-rw-r--r--g10/trustdb.c1
4 files changed, 8 insertions, 3 deletions
diff --git a/g10/getkey.c b/g10/getkey.c
index 6a1fce6da..e66be0de0 100644
--- a/g10/getkey.c
+++ b/g10/getkey.c
@@ -196,7 +196,7 @@ cache_public_key (PKT_public_key * pk)
/* Remove the last 50% of the entries. */
for (ce = pk_cache, n = 0; ce && n < pk_cache_entries/2; n++)
ce = ce->next;
- if (ce != pk_cache && ce->next)
+ if (ce && ce != pk_cache && ce->next)
{
ce2 = ce->next;
ce->next = NULL;
diff --git a/g10/keygen.c b/g10/keygen.c
index 40619ca61..94ea1262f 100644
--- a/g10/keygen.c
+++ b/g10/keygen.c
@@ -3395,7 +3395,7 @@ quickgen_set_para (struct para_data_s *para, int for_subkey,
para = r;
r = xmalloc_clear (sizeof *r + 20);
r->key = for_subkey? pSUBKEYTYPE : pKEYTYPE;
- sprintf (r->u.value, "%d", algo);
+ snprintf (r->u.value, 20, "%d", algo);
r->next = para;
para = r;
diff --git a/g10/tofu.c b/g10/tofu.c
index b7f61e98e..903f076b4 100644
--- a/g10/tofu.c
+++ b/g10/tofu.c
@@ -306,6 +306,9 @@ end_transaction (struct db *db, int only_batch)
int rc;
char *err = NULL;
+ if (!db)
+ return 0; /* Shortcut to allow for easier cleanup code. */
+
if ((! batch_update || only_batch == 2) && db->batch_update)
/* The batch transaction is still in open, but we left batch
mode. */
@@ -353,6 +356,9 @@ rollback_transaction (struct db *db)
int rc;
char *err = NULL;
+ if (!db)
+ return 0; /* Shortcut to allow for easier cleanup code. */
+
if (db->batch_update)
/* Just undo the most recent update; don't revert any progress
made by the batch transaction. */
diff --git a/g10/trustdb.c b/g10/trustdb.c
index 9217dd991..cb2b5b98b 100644
--- a/g10/trustdb.c
+++ b/g10/trustdb.c
@@ -781,7 +781,6 @@ update_min_ownertrust (u32 *kid, unsigned int new_trust )
write_record (&rec);
tdb_revalidation_mark ();
do_sync ();
- err = 0;
}
else
{