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authorDan Carpenter <error27@gmail.com>2010-05-07 10:30:41 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-21 09:34:30 -0700
commit26e1e8d1d1cfa914b95b5dab001a6ed898872755 (patch)
treec095b4c89c879f604c5cd9ba2f5968810bd1715a /drivers/char/isicom.c
parente114474cf5c7fe7ab94dd4f5938ffa51c9af77c4 (diff)
serial: isicomm: handle running out of slots
This patch makes it return -ENODEV if we run out of empty slots in the probe function. It's unlikely to happen, but it makes the static checkers happy. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char/isicom.c')
-rw-r--r--drivers/char/isicom.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index c1ab303455cf..98310e1aae30 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1573,11 +1573,16 @@ static int __devinit isicom_probe(struct pci_dev *pdev,
dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device);
/* allot the first empty slot in the array */
- for (index = 0; index < BOARD_COUNT; index++)
+ for (index = 0; index < BOARD_COUNT; index++) {
if (isi_card[index].base == 0) {
board = &isi_card[index];
break;
}
+ }
+ if (index == BOARD_COUNT) {
+ retval = -ENODEV;
+ goto err_disable;
+ }
board->index = index;
board->base = pci_resource_start(pdev, 3);
@@ -1624,6 +1629,7 @@ errunrr:
errdec:
board->base = 0;
card_count--;
+err_disable:
pci_disable_device(pdev);
err:
return retval;