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Resolve FORWARD_NULL static analysis warnings

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This resolves core findings from ASTERISK-19650 numbers 0-2, 6, 7, 9-11, 14-20,
22-24, 28, 30-32, 34-36, 42-56, 82-84, 87, 89-90, 93-102, 104, 105, 109-111,
and 115. Finding numbers 26, 33, and 29 were already resolved.  Those skipped
were either extended/deprecated or in areas of code that shouldn't be
disturbed.

(Closes issue ASTERISK-19650)
........

Merged revisions 366167 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 366168 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@366169 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2012-05-10 20:56:09 +00:00
parent 8227f70cd7
commit dd81b047db
27 changed files with 328 additions and 368 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
funcs/func_lock.c
View File

@@ -373,10 +373,15 @@ static int get_lock(struct ast_channel *chan, char *lockname, int trylock)
static int unlock_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
struct ast_datastore *lock_store = ast_channel_datastore_find(chan, &lock_info, NULL);
struct ast_datastore *lock_store;
struct channel_lock_frame *clframe;
AST_LIST_HEAD(, channel_lock_frame) *list;
if (!chan) {
return -1;
}
lock_store = ast_channel_datastore_find(chan, &lock_info, NULL);
if (!lock_store) {
ast_log(LOG_WARNING, "No datastore for dialplan locks. Nothing was ever locked!\n");
ast_copy_string(buf, "0", len);
@@ -417,26 +422,24 @@ static int unlock_read(struct ast_channel *chan, const char *cmd, char *data, ch
static int lock_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
if (chan)
ast_autoservice_start(chan);
if (!chan) {
return -1;
}
ast_autoservice_start(chan);
ast_copy_string(buf, get_lock(chan, data, 0) ? "0" : "1", len);
if (chan)
ast_autoservice_stop(chan);
ast_autoservice_stop(chan);
return 0;
}
static int trylock_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
if (chan)
ast_autoservice_start(chan);
if (!chan) {
return -1;
}
ast_autoservice_start(chan);
ast_copy_string(buf, get_lock(chan, data, 1) ? "0" : "1", len);
if (chan)
ast_autoservice_stop(chan);
ast_autoservice_stop(chan);
return 0;
}