shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00
Code Releases Activity

memlock: ensure memory is allocation before locking

Browse Source 
strerror may mmap ram if it was not yet used.
dm_udev_get_sync_support  may initilize udev if it was still not used.
This commit is contained in:
Zdenek Kabelac 2014-09-19 01:07:32 +02:00
parent 2263a3bcf5
commit b0bd8ce408
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/mm/memlock.c
View File

@ -266,9 +266,6 @@ static int _memlock_maps(struct cmd_context *cmd, lvmlock_t lock, size_t *mstats
#endif #endif
} }
/* Force libc.mo load */
if (lock == LVM_MLOCK)
(void)strerror(0);
/* Reset statistic counters */ /* Reset statistic counters */
*mstats = 0; *mstats = 0;
@ -442,6 +439,9 @@ static void _lock_mem(struct cmd_context *cmd)
stack; stack;
} }
(void)strerror(0); /* Force libc.mo load */
(void)dm_udev_get_sync_support(); /* udev is initialized */
log_very_verbose("Locking memory"); log_very_verbose("Locking memory");
if (!_memlock_maps(cmd, LVM_MLOCK, &_mstats)) if (!_memlock_maps(cmd, LVM_MLOCK, &_mstats))
stack; stack;