diff options
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_app.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c index 94b992acb233..cd772b2cb98a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_app.c +++ b/drivers/scsi/mpi3mr/mpi3mr_app.c @@ -2947,7 +2947,8 @@ out: void mpi3mr_app_save_logdata_th(struct mpi3mr_ioc *mrioc, char *event_data, u16 event_data_size) { - u32 index = mrioc->logdata_buf_idx, sz; + u32 index = mrioc->logdata_buf_idx; + size_t entry_payload_len, sz; struct mpi3mr_logdata_entry *entry; if (!(mrioc->logdata_buf)) @@ -2956,7 +2957,12 @@ void mpi3mr_app_save_logdata_th(struct mpi3mr_ioc *mrioc, char *event_data, entry = (struct mpi3mr_logdata_entry *) (mrioc->logdata_buf + (index * mrioc->logdata_entry_sz)); entry->valid_entry = 1; - sz = min(mrioc->logdata_entry_sz, event_data_size); + if (mrioc->logdata_entry_sz > MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ) + entry_payload_len = (size_t)mrioc->logdata_entry_sz - + MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ; + else + entry_payload_len = 0; + sz = min_t(size_t, entry_payload_len, event_data_size); memcpy(entry->data, event_data, sz); mrioc->logdata_buf_idx = ((++index) % MPI3MR_BSG_LOGDATA_MAX_ENTRIES); |