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Merge pull request #107 from imjfckm/master

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Fix IO queue validation
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Michal Rakowski 2019-04-08 14:51:55 +02:00 committed by GitHub
commit 6188f3689e
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1 changed files with 4 additions and 1 deletions
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5
src/ocf_core.c
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@ -172,6 +172,8 @@ static inline void dec_counter_if_req_was_dirty(struct ocf_core_io *core_io,
static inline int ocf_core_validate_io(struct ocf_io *io) static inline int ocf_core_validate_io(struct ocf_io *io)
{ {
ocf_core_t core;
if (!io->volume) if (!io->volume)
return -EINVAL; return -EINVAL;
@ -199,7 +201,8 @@ static inline int ocf_core_validate_io(struct ocf_io *io)
/* Core volume I/O must not be queued on management queue - this would /* Core volume I/O must not be queued on management queue - this would
* break I/O accounting code, resulting in use-after-free type of errors * break I/O accounting code, resulting in use-after-free type of errors
* after cache detach, core remove etc. */ * after cache detach, core remove etc. */
if (io->io_queue == io->volume->cache->mngt_queue) core = ocf_volume_to_core(io->volume);
if (io->io_queue == ocf_core_get_cache(core)->mngt_queue)
return -EINVAL; return -EINVAL;
return 0; return 0;