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authorJeremy Allison <jra@samba.org>2006-01-27 19:54:39 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 11:06:16 -0500
commit6a097ab20ea54a7b090ad6e62c1538d5e5997f31 (patch)
tree92032a3036b7374968b431658d53e68b47da0e69
parent139acd247060841b44079f1703af0e71109ba74e (diff)
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r13192: Fix up alignment issues when printing share mode
entries. Add paranioa to debug so we know when an entry is unused. Jeremy. (This used to be commit fa5fab313e3728ff49c00ca1097242039506f83e)
-rw-r--r--source3/locking/locking.c12
-rw-r--r--source3/smbd/oplock.c9
2 files changed, 17 insertions, 4 deletions
diff --git a/source3/locking/locking.c b/source3/locking/locking.c
index 9a13e099db..770ef918b8 100644
--- a/source3/locking/locking.c
+++ b/source3/locking/locking.c
@@ -384,11 +384,13 @@ char *share_mode_str(int num, struct share_mode_entry *e)
{
static pstring share_str;
- slprintf(share_str, sizeof(share_str)-1, "share_mode_entry[%d]: "
+ slprintf(share_str, sizeof(share_str)-1, "share_mode_entry[%d]: %s "
"pid = %s, share_access = 0x%x, private_options = 0x%x, "
"access_mask = 0x%x, mid = 0x%x, type= 0x%x, file_id = %lu, "
"dev = 0x%x, inode = %.0f",
- num, procid_str_static(&e->pid),
+ num,
+ e->op_type == UNUSED_SHARE_MODE_ENTRY ? "UNUSED" : "",
+ procid_str_static(&e->pid),
e->share_access, e->private_options,
e->access_mask, e->op_mid, e->op_type, e->share_file_id,
(unsigned int)e->dev, (double)e->inode );
@@ -408,9 +410,11 @@ static void print_share_mode_table(struct locking_data *data)
int i;
for (i = 0; i < num_share_modes; i++) {
- struct share_mode_entry *entry_p = &shares[i];
+ struct share_mode_entry entry;
+
+ memcpy(&entry, &shares[i], sizeof(struct share_mode_entry));
DEBUG(10,("print_share_mode_table: %s\n",
- share_mode_str(i, entry_p)));
+ share_mode_str(i, &entry)));
}
}
diff --git a/source3/smbd/oplock.c b/source3/smbd/oplock.c
index 6739d29470..234b62e8ae 100644
--- a/source3/smbd/oplock.c
+++ b/source3/smbd/oplock.c
@@ -684,6 +684,11 @@ void release_level_2_oplocks_on_change(files_struct *fsp)
don't have to do anything */
for (i=0; i<lck->num_share_modes; i++) {
struct share_mode_entry *e = &lck->share_modes[i];
+
+ if (!is_valid_share_mode_entry(e)) {
+ continue;
+ }
+
if ((e->op_type == NO_OPLOCK) &&
(e->share_file_id == fsp->file_id) &&
(e->dev == fsp->dev) &&
@@ -701,6 +706,10 @@ void release_level_2_oplocks_on_change(files_struct *fsp)
struct share_mode_entry *share_entry = &lck->share_modes[i];
char msg[MSG_SMB_SHARE_MODE_ENTRY_SIZE];
+ if (!is_valid_share_mode_entry(share_entry)) {
+ continue;
+ }
+
/*
* As there could have been multiple writes waiting at the
* lock_share_entry gate we may not be the first to