Gitweb: http://git.kernel.org/linus/a2279ae5b58edb7cbe2196d08572fcf59f292354
Commit: a2279ae5b58edb7cbe2196d08572fcf59f292354
Parent: 14386fd10c33b6a6a53901a64832f34f038857cf
Author: Roel Kluin <roel.kluin@gmail.com>
AuthorDate: Mon Aug 31 10:54:37 2009 +0200
Committer: Greg Kroah-Hartman <gregkh@suse.de>
CommitDate: Tue Sep 15 12:02:34 2009 -0700
Staging: comedi: addi-data: NULL dereference of amcc in v_pci_card_list_init()
amcc allocation may fail, prevent a NULL dereference.
allocation may fail, prevent a dereference.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
.../comedi/drivers/addi-data/addi_amcc_s5933.h | 3 +++
.../comedi/drivers/addi-data/amcc_s5933_58.h | 3 +++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
index d288289..f96b128 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
@@ -261,6 +261,9 @@ void v_pci_card_list_init(unsigned short pci_vendor, char display)
pci_vendor = i_ADDIDATADeviceID[i_Count];
if (pcidev->vendor == pci_vendor) {
amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
+ if (amcc == NULL)
+ continue;
+
memset(amcc, 0, sizeof(*amcc));
amcc->pcidev = pcidev;
diff --git a/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
index b76f877..49141b3 100644
--- a/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
+++ b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h
@@ -254,6 +254,9 @@ void v_pci_card_list_init(unsigned short pci_vendor, char display)
pci_for_each_dev(pcidev) {
if (pcidev->vendor == pci_vendor) {
amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
+ if (amcc == NULL)
+ continue;
+
memset(amcc, 0, sizeof(*amcc));
amcc->pcidev = pcidev;
--
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