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Sending %d as format argument in lvmetad_vg_remove_pending() will cause
segfaults in config_make_nodes_v() when va_arg() casts to int64_t. Also, it is
clearly advertised in the lvm source code that using plain %d is prohibited, so
let's switch to FMTd64.
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Helping with understanding we will not try to deref NULL pointer,
as if the sizes are initialized to NULL it also means 'mem' would
be NULL, but thats too hard to model so make it obvious.
When lvmetad_pvscan_vg() reads VG metadata from each PV,
it compares it to the last one to verify it matches.
If the VG metadata does not match on the PVs, an error
is printed and it fails to read the VG. In this error
case, use log_debug to show the differences between
the two unmatching copies of the metadata.
Put the change from commit #10d27998b3d2f6100e9e29e83d1d99948c55875f
back so we have working tree again for now. This code needs a bit of
a cleanup to return proper return value to check...
Free (and clear) h.protocol string on daemon_open() error paths
so it's OK for caller to skip calling daemon_close() if returned
h.socket_fd is -1.
Close h.socket_fd in daemon_close() to avoid possible leak.
https://bugzilla.redhat.com/1164234
Ensure daemon-io.h is used as a generic header included
with configure defines before other headers.
(In future all lvm2 libraries should settle on a single lib.h header)
Rename couple defines to better match header file names.
When we're trying to search for certain tree node
in daemon's reply, we default to a blank string ""
if the node is not found. This happens during lvmetad
initialization.
However, when the default blank string is used, we
can't use dm_config_find_str at the same time - the
dm_config_find_str_allow_empty should be used instead.
Otherwise a a warning message:
"WARNING: Ignoring unsupported value for ..."
is issued.
Check for enough space in preallocated buffer.
Fixes problem, when lvm code started to suddenly allocate
too big memory chunks.
TODO: lvmetad protocol should announce needed size ahead,
so if metadata have 1MB we are not reallocating memory...
Detect failure of dm_pool_strdup() and print error in fail path.
Save one extra strchr call - since we already know the distance
for the '=' character.
Drop stack trace from return after log_error().
- move common dm_config_tree manipulation functions from lvmetad-core to
daemon-shared
- add config-tree-based request manipulation APIs to daemon-client
- factor out _v (va_list) variants of most variadic functions in libdaemon
