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Verifying IO address and size

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IO address and size must be multiple of sector size. If not, ocf_io_new() will return NULL.

Signed-off-by: Firas Medini <mdnfiras@yahoo.com>
This commit is contained in:
Firas Medini 2019-08-13 05:37:14 -07:00
parent 2219719282
commit 33c96d226e
1 changed files with 5 additions and 0 deletions
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5
src/ocf_io.c
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@ -4,6 +4,7 @@
*/ */
#include "ocf/ocf.h" #include "ocf/ocf.h"
#include "ocf_def_priv.h"
#include "ocf_io_priv.h" #include "ocf_io_priv.h"
#include "ocf_volume_priv.h" #include "ocf_volume_priv.h"
#include "utils/utils_io_allocator.h" #include "utils/utils_io_allocator.h"
@ -86,6 +87,10 @@ struct ocf_io *ocf_io_new(ocf_volume_t volume, ocf_queue_t queue,
uint32_t io_class, uint64_t flags) uint32_t io_class, uint64_t flags)
{ {
struct ocf_io_internal *ioi; struct ocf_io_internal *ioi;
uint32_t sector_size = SECTORS_TO_BYTES(1);
if ((addr % sector_size) || (bytes % sector_size))
return NULL;
if (!ocf_refcnt_inc(&volume->refcnt)) if (!ocf_refcnt_inc(&volume->refcnt))
return NULL; return NULL;