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[XFS] Fix sparse NULL vs 0 warnings

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Sparse now warns about comparing pointers to 0, so change all instance
where that happens to NULL instead.

SGI-PV: 968555
SGI-Modid: xfs-linux-melb:xfs-kern:29308a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-16 15:37:36 +10:00
committed by Tim Shimmin
parent 8da22d7a36
commit 4b80916b29
2 changed files with 12 additions and 12 deletions
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12
fs/xfs/xfs_log.c
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@@ -2185,13 +2185,13 @@ xlog_state_do_callback(
}
cb = iclog->ic_callback;
while (cb != 0) {
while (cb) {
iclog->ic_callback_tail = &(iclog->ic_callback);
iclog->ic_callback = NULL;
LOG_UNLOCK(log, s);
/* perform callbacks in the order given */
for (; cb != 0; cb = cb_next) {
for (; cb; cb = cb_next) {
cb_next = cb->cb_next;
cb->cb_func(cb->cb_arg, aborted);
}
@@ -2202,7 +2202,7 @@ xlog_state_do_callback(
loopdidcallbacks++;
funcdidcallbacks++;
ASSERT(iclog->ic_callback == 0);
ASSERT(iclog->ic_callback == NULL);
if (!(iclog->ic_state & XLOG_STATE_IOERROR))
iclog->ic_state = XLOG_STATE_DIRTY;
@@ -3242,10 +3242,10 @@ xlog_ticket_put(xlog_t *log,
#else
/* When we debug, it is easier if tickets are cycled */
ticket->t_next = NULL;
if (log->l_tail != 0) {
if (log->l_tail) {
log->l_tail->t_next = ticket;
} else {
ASSERT(log->l_freelist == 0);
ASSERT(log->l_freelist == NULL);
log->l_freelist = ticket;
}
log->l_tail = ticket;
@@ -3463,7 +3463,7 @@ xlog_verify_iclog(xlog_t *log,
s = LOG_LOCK(log);
icptr = log->l_iclog;
for (i=0; i < log->l_iclog_bufs; i++) {
if (icptr == 0)
if (icptr == NULL)
xlog_panic("xlog_verify_iclog: invalid ptr");
icptr = icptr->ic_next;
}