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Change U16 to U32 due to atomic_inc_32_nv

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After run a long time with QAT compression, the variable "inst_num"
is overflow by "atomic_inc_32_nv", which causes its neighbor
variable overwritten. Change its definition from U16 to U32.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Weigang Li <weigang.li@intel.com>
Closes #6051
This commit is contained in:
wli5 2017-04-26 08:41:58 +08:00 committed by Brian Behlendorf
parent 603a178479
commit 7a25f0891e
1 changed files with 2 additions and 2 deletions
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4
module/zfs/qat_compress.c
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@ -104,8 +104,8 @@ static kstat_t *qat_ksp;
static CpaInstanceHandle dc_inst_handles[MAX_INSTANCES];
static CpaDcSessionHandle session_handles[MAX_INSTANCES];
static CpaBufferList **buffer_array[MAX_INSTANCES];
static Cpa16U num_inst = 0;
static Cpa16U inst_num = 0;
static Cpa32U num_inst = 0;
static Cpa32U inst_num = 0;
static boolean_t qat_init_done = B_FALSE;
int zfs_qat_disable = 0;