Fix a possible null pointer dereference, there is
otherwise a risk of a possible null pointer dereference.
This was found using a static code analysis program called cppcheck
Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
---
drivers/staging/unisys/virtpci/virtpci.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/unisys/virtpci/virtpci.c
b/drivers/staging/unisys/virtpci/virtpci.c
index 39b828d..eea3c64 100644
--- a/drivers/staging/unisys/virtpci/virtpci.c
+++ b/drivers/staging/unisys/virtpci/virtpci.c
@@ -1340,16 +1340,16 @@ static ssize_t virtpci_driver_attr_show(struct kobject
*kobj,
struct driver_private *dprivate = to_driver(kobj);
struct device_driver *driver;
- if (dprivate != NULL)
+ if (dprivate != NULL) {
driver = dprivate->driver;
- else
- driver = NULL;
- DBGINF("In virtpci_driver_attr_show driver->name:%s\n", driver->name);
- if (driver) {
+ DBGINF("In virtpci_driver_attr_show driver->name:%s\n",
driver->name);
+
if (dattr->show)
ret = dattr->show(driver, buf);
}
+ else
+ DBGINF("In virtpci_driver_attr_show driver:NULL\n");
return ret;
}
@@ -1363,17 +1363,17 @@ static ssize_t virtpci_driver_attr_store(struct kobject
*kobj,
struct driver_private *dprivate = to_driver(kobj);
struct device_driver *driver;
- if (dprivate != NULL)
+ if (dprivate != NULL) {
driver = dprivate->driver;
- else
- driver = NULL;
- DBGINF("In virtpci_driver_attr_store driver->name:%s\n", driver->name);
+ DBGINF("In virtpci_driver_attr_store driver->name:%s\n",
driver->name);
- if (driver) {
if (dattr->store)
ret = dattr->store(driver, buf, count);
}
+ else
+ DBGINF("In virtpci_driver_attr_store driver:NULL\n");
+
return ret;
}
--
1.7.10.4
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