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Merge remote-tracking branch 'mkp-scsi/4.9/scsi-fixes' into fixes

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This commit is contained in:
James Bottomley 2016-10-21 12:40:02 -04:00
commit 602432c150
3 changed files with 28 additions and 19 deletions
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6
drivers/scsi/NCR5380.c
View File

@ -353,7 +353,7 @@ static void NCR5380_print_phase(struct Scsi_Host *instance)
#endif #endif
static int probe_irq __initdata; static int probe_irq;
/** /**
* probe_intr - helper for IRQ autoprobe * probe_intr - helper for IRQ autoprobe
@ -365,7 +365,7 @@ static int probe_irq __initdata;
* used by the IRQ probe code. * used by the IRQ probe code.
*/ */
static irqreturn_t __init probe_intr(int irq, void *dev_id) static irqreturn_t probe_intr(int irq, void *dev_id)
{ {
probe_irq = irq; probe_irq = irq;
return IRQ_HANDLED; return IRQ_HANDLED;
@ -380,7 +380,7 @@ static irqreturn_t __init probe_intr(int irq, void *dev_id)
* and then looking to see what interrupt actually turned up. * and then looking to see what interrupt actually turned up.
*/ */
static int __init __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance, static int __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,
int possible) int possible)
{ {
struct NCR5380_hostdata *hostdata = shost_priv(instance); struct NCR5380_hostdata *hostdata = shost_priv(instance);

37
drivers/scsi/be2iscsi/be_main.c
View File

@ -900,8 +900,9 @@ void hwi_ring_cq_db(struct beiscsi_hba *phba,
static struct sgl_handle *alloc_io_sgl_handle(struct beiscsi_hba *phba) static struct sgl_handle *alloc_io_sgl_handle(struct beiscsi_hba *phba)
{ {
struct sgl_handle *psgl_handle; struct sgl_handle *psgl_handle;
unsigned long flags;
spin_lock_bh(&phba->io_sgl_lock); spin_lock_irqsave(&phba->io_sgl_lock, flags);
if (phba->io_sgl_hndl_avbl) { if (phba->io_sgl_hndl_avbl) {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_IO, beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_IO,
"BM_%d : In alloc_io_sgl_handle," "BM_%d : In alloc_io_sgl_handle,"
@ -919,14 +920,16 @@ static struct sgl_handle *alloc_io_sgl_handle(struct beiscsi_hba *phba)
phba->io_sgl_alloc_index++; phba->io_sgl_alloc_index++;
} else } else
psgl_handle = NULL; psgl_handle = NULL;
spin_unlock_bh(&phba->io_sgl_lock); spin_unlock_irqrestore(&phba->io_sgl_lock, flags);
return psgl_handle; return psgl_handle;
} }
static void static void
free_io_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle) free_io_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
{ {
spin_lock_bh(&phba->io_sgl_lock); unsigned long flags;
spin_lock_irqsave(&phba->io_sgl_lock, flags);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_IO, beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_IO,
"BM_%d : In free_,io_sgl_free_index=%d\n", "BM_%d : In free_,io_sgl_free_index=%d\n",
phba->io_sgl_free_index); phba->io_sgl_free_index);
@ -941,7 +944,7 @@ free_io_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
"value there=%p\n", phba->io_sgl_free_index, "value there=%p\n", phba->io_sgl_free_index,
phba->io_sgl_hndl_base phba->io_sgl_hndl_base
[phba->io_sgl_free_index]); [phba->io_sgl_free_index]);
spin_unlock_bh(&phba->io_sgl_lock); spin_unlock_irqrestore(&phba->io_sgl_lock, flags);
return; return;
} }
phba->io_sgl_hndl_base[phba->io_sgl_free_index] = psgl_handle; phba->io_sgl_hndl_base[phba->io_sgl_free_index] = psgl_handle;
@ -950,7 +953,7 @@ free_io_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
phba->io_sgl_free_index = 0; phba->io_sgl_free_index = 0;
else else
phba->io_sgl_free_index++; phba->io_sgl_free_index++;
spin_unlock_bh(&phba->io_sgl_lock); spin_unlock_irqrestore(&phba->io_sgl_lock, flags);
} }
static inline struct wrb_handle * static inline struct wrb_handle *
@ -958,15 +961,16 @@ beiscsi_get_wrb_handle(struct hwi_wrb_context *pwrb_context,
unsigned int wrbs_per_cxn) unsigned int wrbs_per_cxn)
{ {
struct wrb_handle *pwrb_handle; struct wrb_handle *pwrb_handle;
unsigned long flags;
spin_lock_bh(&pwrb_context->wrb_lock); spin_lock_irqsave(&pwrb_context->wrb_lock, flags);
pwrb_handle = pwrb_context->pwrb_handle_base[pwrb_context->alloc_index]; pwrb_handle = pwrb_context->pwrb_handle_base[pwrb_context->alloc_index];
pwrb_context->wrb_handles_available--; pwrb_context->wrb_handles_available--;
if (pwrb_context->alloc_index == (wrbs_per_cxn - 1)) if (pwrb_context->alloc_index == (wrbs_per_cxn - 1))
pwrb_context->alloc_index = 0; pwrb_context->alloc_index = 0;
else else
pwrb_context->alloc_index++; pwrb_context->alloc_index++;
spin_unlock_bh(&pwrb_context->wrb_lock); spin_unlock_irqrestore(&pwrb_context->wrb_lock, flags);
if (pwrb_handle) if (pwrb_handle)
memset(pwrb_handle->pwrb, 0, sizeof(*pwrb_handle->pwrb)); memset(pwrb_handle->pwrb, 0, sizeof(*pwrb_handle->pwrb));
@ -1001,14 +1005,16 @@ beiscsi_put_wrb_handle(struct hwi_wrb_context *pwrb_context,
struct wrb_handle *pwrb_handle, struct wrb_handle *pwrb_handle,
unsigned int wrbs_per_cxn) unsigned int wrbs_per_cxn)
{ {
spin_lock_bh(&pwrb_context->wrb_lock); unsigned long flags;
spin_lock_irqsave(&pwrb_context->wrb_lock, flags);
pwrb_context->pwrb_handle_base[pwrb_context->free_index] = pwrb_handle; pwrb_context->pwrb_handle_base[pwrb_context->free_index] = pwrb_handle;
pwrb_context->wrb_handles_available++; pwrb_context->wrb_handles_available++;
if (pwrb_context->free_index == (wrbs_per_cxn - 1)) if (pwrb_context->free_index == (wrbs_per_cxn - 1))
pwrb_context->free_index = 0; pwrb_context->free_index = 0;
else else
pwrb_context->free_index++; pwrb_context->free_index++;
spin_unlock_bh(&pwrb_context->wrb_lock); spin_unlock_irqrestore(&pwrb_context->wrb_lock, flags);
} }
/** /**
@ -1037,8 +1043,9 @@ free_wrb_handle(struct beiscsi_hba *phba, struct hwi_wrb_context *pwrb_context,
static struct sgl_handle *alloc_mgmt_sgl_handle(struct beiscsi_hba *phba) static struct sgl_handle *alloc_mgmt_sgl_handle(struct beiscsi_hba *phba)
{ {
struct sgl_handle *psgl_handle; struct sgl_handle *psgl_handle;
unsigned long flags;
spin_lock_bh(&phba->mgmt_sgl_lock); spin_lock_irqsave(&phba->mgmt_sgl_lock, flags);
if (phba->eh_sgl_hndl_avbl) { if (phba->eh_sgl_hndl_avbl) {
psgl_handle = phba->eh_sgl_hndl_base[phba->eh_sgl_alloc_index]; psgl_handle = phba->eh_sgl_hndl_base[phba->eh_sgl_alloc_index];
phba->eh_sgl_hndl_base[phba->eh_sgl_alloc_index] = NULL; phba->eh_sgl_hndl_base[phba->eh_sgl_alloc_index] = NULL;
@ -1056,14 +1063,16 @@ static struct sgl_handle *alloc_mgmt_sgl_handle(struct beiscsi_hba *phba)
phba->eh_sgl_alloc_index++; phba->eh_sgl_alloc_index++;
} else } else
psgl_handle = NULL; psgl_handle = NULL;
spin_unlock_bh(&phba->mgmt_sgl_lock); spin_unlock_irqrestore(&phba->mgmt_sgl_lock, flags);
return psgl_handle; return psgl_handle;
} }
void void
free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle) free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
{ {
spin_lock_bh(&phba->mgmt_sgl_lock); unsigned long flags;
spin_lock_irqsave(&phba->mgmt_sgl_lock, flags);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG, beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BM_%d : In free_mgmt_sgl_handle," "BM_%d : In free_mgmt_sgl_handle,"
"eh_sgl_free_index=%d\n", "eh_sgl_free_index=%d\n",
@ -1078,7 +1087,7 @@ free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
"BM_%d : Double Free in eh SGL ," "BM_%d : Double Free in eh SGL ,"
"eh_sgl_free_index=%d\n", "eh_sgl_free_index=%d\n",
phba->eh_sgl_free_index); phba->eh_sgl_free_index);
spin_unlock_bh(&phba->mgmt_sgl_lock); spin_unlock_irqrestore(&phba->mgmt_sgl_lock, flags);
return; return;
} }
phba->eh_sgl_hndl_base[phba->eh_sgl_free_index] = psgl_handle; phba->eh_sgl_hndl_base[phba->eh_sgl_free_index] = psgl_handle;
@ -1088,7 +1097,7 @@ free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle)
phba->eh_sgl_free_index = 0; phba->eh_sgl_free_index = 0;
else else
phba->eh_sgl_free_index++; phba->eh_sgl_free_index++;
spin_unlock_bh(&phba->mgmt_sgl_lock); spin_unlock_irqrestore(&phba->mgmt_sgl_lock, flags);
} }
static void static void

4
drivers/scsi/libiscsi.c
View File

@ -791,9 +791,9 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
free_task: free_task:
/* regular RX path uses back_lock */ /* regular RX path uses back_lock */
spin_lock_bh(&session->back_lock); spin_lock(&session->back_lock);
__iscsi_put_task(task); __iscsi_put_task(task);
spin_unlock_bh(&session->back_lock); spin_unlock(&session->back_lock);
return NULL; return NULL;
} }