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SCSI fixes on 20240817

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Two small fixes to the mpi3mr driver.  One to avoid oversize
 allocations in tracing and the other to fix an uninitialized spinlock
 in the user to driver feature request code (used to trigger dumps and
 the like).
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two small fixes to the mpi3mr driver. One to avoid oversize
  allocations in tracing and the other to fix an uninitialized spinlock
  in the user to driver feature request code (used to trigger dumps and
  the like)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: mpi3mr: Avoid MAX_PAGE_ORDER WARNING for buffer allocations
  scsi: mpi3mr: Add missing spin_lock_init() for mrioc->trigger_lock
This commit is contained in:
Linus Torvalds 2024-08-17 10:04:01 -07:00
commit df6cbc62cc
2 changed files with 9 additions and 3 deletions
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11
drivers/scsi/mpi3mr/mpi3mr_app.c
View File

@ -100,7 +100,8 @@ void mpi3mr_alloc_diag_bufs(struct mpi3mr_ioc *mrioc)
dprint_init(mrioc,
"trying to allocate trace diag buffer of size = %dKB\n",
trace_size / 1024);
if (mpi3mr_alloc_trace_buffer(mrioc, trace_size)) {
if (get_order(trace_size) > MAX_PAGE_ORDER ||
mpi3mr_alloc_trace_buffer(mrioc, trace_size)) {
retry = true;
trace_size -= trace_dec_size;
dprint_init(mrioc, "trace diag buffer allocation failed\n"
@ -118,8 +119,12 @@ void mpi3mr_alloc_diag_bufs(struct mpi3mr_ioc *mrioc)
diag_buffer->type = MPI3_DIAG_BUFFER_TYPE_FW;
diag_buffer->status = MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED;
if ((mrioc->facts.diag_fw_sz < fw_size) && (fw_size >= fw_min_size)) {
diag_buffer->addr = dma_alloc_coherent(&mrioc->pdev->dev,
fw_size, &diag_buffer->dma_addr, GFP_KERNEL);
if (get_order(fw_size) <= MAX_PAGE_ORDER) {
diag_buffer->addr
= dma_alloc_coherent(&mrioc->pdev->dev, fw_size,
&diag_buffer->dma_addr,
GFP_KERNEL);
}
if (!retry)
dprint_init(mrioc,
"%s:trying to allocate firmware diag buffer of size = %dKB\n",

1
drivers/scsi/mpi3mr/mpi3mr_os.c
View File

@ -5234,6 +5234,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&mrioc->watchdog_lock);
spin_lock_init(&mrioc->chain_buf_lock);
spin_lock_init(&mrioc->sas_node_lock);
spin_lock_init(&mrioc->trigger_lock);
INIT_LIST_HEAD(&mrioc->fwevt_list);
INIT_LIST_HEAD(&mrioc->tgtdev_list);