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| author | Tony Battersby <tonyb@cybernetics.com> | 2009-01-08 18:52:32 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-03-12 18:58:15 +0100 |
| commit | d3ce65d12668ef1e3a164d48e04c59228d5ecf7b (patch) | |
| tree | 30ff47103eaec0ecccb562ea51c4ecd715405d3f /drivers/scsi/sym53c8xx_2 | |
| parent | [SCSI] ipr: Expose debug and fastfail parameters (diff) | |
| download | linux-d3ce65d12668ef1e3a164d48e04c59228d5ecf7b.tar.xz linux-d3ce65d12668ef1e3a164d48e04c59228d5ecf7b.zip | |
[SCSI] sym53c8xx: fix shost use-after-free and memory leak
This patch fixes two bugs:
1) rmmod sym53c8xx uses shost after freeing it with
scsi_put_host(shost).
2) insmod sym53c8xx doesn't call scsi_put_host(shost) if
scsi_add_host() fails, causing a memory leak on the error path.
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/sym53c8xx_2')
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_glue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index f4e6cde1fd0d..ff5be958d3d3 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -1660,6 +1660,7 @@ static int sym_detach(struct Scsi_Host *shost, struct pci_dev *pdev) OUTB(np, nc_istat, 0); sym_free_resources(np, pdev); + scsi_host_put(shost); return 1; } @@ -1749,7 +1750,6 @@ static void sym2_remove(struct pci_dev *pdev) struct Scsi_Host *shost = pci_get_drvdata(pdev); scsi_remove_host(shost); - scsi_host_put(shost); sym_detach(shost, pdev); pci_release_regions(pdev); pci_disable_device(pdev); |