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path: root/drivers/bus/fsl-mc/fsl-mc-bus.c
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Diffstat (limited to 'drivers/bus/fsl-mc/fsl-mc-bus.c')
-rw-r--r--drivers/bus/fsl-mc/fsl-mc-bus.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index c1c0a4759c7e..25845c04e562 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -176,8 +176,8 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
{
struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
- return sprintf(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor,
- mc_dev->obj_desc.type);
+ return sysfs_emit(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor,
+ mc_dev->obj_desc.type);
}
static DEVICE_ATTR_RO(modalias);
@@ -203,7 +203,7 @@ static ssize_t driver_override_show(struct device *dev,
{
struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override);
+ return sysfs_emit(buf, "%s\n", mc_dev->driver_override);
}
static DEVICE_ATTR_RW(driver_override);
@@ -1104,6 +1104,9 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
* Get physical address of MC portal for the root DPRC:
*/
plat_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!plat_res)
+ return -EINVAL;
+
mc_portal_phys_addr = plat_res->start;
mc_portal_size = resource_size(plat_res);
mc_portal_base_phys_addr = mc_portal_phys_addr & ~0x3ffffff;