This is a note to let you know that I've just added the patch titled
megaraid: fix null pointer check in megasas_detach_one().
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
megaraid-fix-null-pointer-check-in-megasas_detach_one.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 546e559c79b1a8d27c23262907a00fc209e392a0 Mon Sep 17 00:00:00 2001
From: Maurizio Lombardi <mlombard@xxxxxxxxxx>
Date: Fri, 22 Jan 2016 13:41:42 +0100
Subject: megaraid: fix null pointer check in megasas_detach_one().
From: Maurizio Lombardi <mlombard@xxxxxxxxxx>
commit 546e559c79b1a8d27c23262907a00fc209e392a0 upstream.
The pd_seq_sync pointer can't be NULL, we have to check its entries
instead.
Signed-off-by: Maurizio Lombardi <mlombard@xxxxxxxxxx>
Acked-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_base.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5941,11 +5941,11 @@ static void megasas_detach_one(struct pc
if (fusion->ld_drv_map[i])
free_pages((ulong)fusion->ld_drv_map[i],
fusion->drv_map_pages);
- if (fusion->pd_seq_sync)
- dma_free_coherent(&instance->pdev->dev,
- pd_seq_map_sz,
- fusion->pd_seq_sync[i],
- fusion->pd_seq_phys[i]);
+ if (fusion->pd_seq_sync[i])
+ dma_free_coherent(&instance->pdev->dev,
+ pd_seq_map_sz,
+ fusion->pd_seq_sync[i],
+ fusion->pd_seq_phys[i]);
}
free_pages((ulong)instance->ctrl_context,
instance->ctrl_context_pages);
Patches currently in stable-queue which might be from mlombard@xxxxxxxxxx are
queue-4.4/megaraid-fix-null-pointer-check-in-megasas_detach_one.patch
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