From 6a097ab20ea54a7b090ad6e62c1538d5e5997f31 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Fri, 27 Jan 2006 19:54:39 +0000 Subject: 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) --- source3/locking/locking.c | 12 ++++++++---- source3/smbd/oplock.c | 9 +++++++++ 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; inum_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 -- cgit