mxser_new, fix twice resource releasing
Because brd->info is not NULLed, resources are released twice. NULL it in
pci_remove function. Also take care of retval and releasing in pci_probe --
mxser_initbrd alreasy releases resource, do not do it again in fail path in
probe function.
Cc: Sergei Organov <[EMAIL PROTECTED]>
Signed-off-by: Jiri Slaby <[EMAIL PROTECTED]>
---
commit 549237a65498ad3880cd1ca40f23f8bc942041cb
tree 8208eb0eb881aa6bd1532c90a60c72009415e3e1
parent 5065aa25fd624e3477d993baebbf3255a1d492fa
author Jiri Slaby <[EMAIL PROTECTED]> Fri, 29 Dec 2006 21:38:56 +0059
committer Jiri Slaby <[EMAIL PROTECTED]> Fri, 29 Dec 2006 21:38:56 +0059
drivers/char/mxser_new.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 042d138..f078ddf 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2403,9 +2403,8 @@ static int __devinit mxser_initbrd(struct mxser_board
*brd,
brd->info->name, brd->irq);
/* We hold resources, we need to release them. */
mxser_release_res(brd, pdev, 0);
- return retval;
}
- return 0;
+ return retval;
}
static int __init mxser_get_ISA_conf(int cap, struct mxser_board *brd)
@@ -2590,8 +2589,9 @@ static int __devinit mxser_probe(struct pci_dev *pdev,
}
/* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(brd, pdev) < 0)
- goto err_relvec;
+ retval = mxser_initbrd(brd, pdev);
+ if (retval)
+ goto err_null;
for (i = 0; i < brd->info->nports; i++)
tty_register_device(mxvar_sdriver, brd->idx + i, &pdev->dev);
@@ -2599,10 +2599,9 @@ static int __devinit mxser_probe(struct pci_dev *pdev,
pci_set_drvdata(pdev, brd);
return 0;
-err_relvec:
- pci_release_region(pdev, 3);
err_relio:
pci_release_region(pdev, 2);
+err_null:
brd->info = NULL;
err:
return retval;
@@ -2620,6 +2619,7 @@ static void __devexit mxser_remove(struct pci_dev *pdev)
tty_unregister_device(mxvar_sdriver, brd->idx + i);
mxser_release_res(brd, pdev, 1);
+ brd->info = NULL;
}
static struct pci_driver mxser_driver = {
-
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