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-rw-r--r--src/loader/loader.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/loader/loader.c b/src/loader/loader.c
index 913b3dcac03..92b4c5204b1 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -110,17 +110,16 @@ static char *loader_get_dri_config_device_id(void)
static char *drm_construct_id_path_tag(drmDevicePtr device)
{
-#define PCI_ID_PATH_TAG_LENGTH sizeof("pci-xxxx_xx_xx_x")
char *tag = NULL;
if (device->bustype == DRM_BUS_PCI) {
- tag = calloc(PCI_ID_PATH_TAG_LENGTH, sizeof(char));
- if (tag == NULL)
- return NULL;
-
- snprintf(tag, PCI_ID_PATH_TAG_LENGTH, "pci-%04x_%02x_%02x_%1u",
- device->businfo.pci->domain, device->businfo.pci->bus,
- device->businfo.pci->dev, device->businfo.pci->func);
+ if (asprintf(&tag, "pci-%04x_%02x_%02x_%1u",
+ device->businfo.pci->domain,
+ device->businfo.pci->bus,
+ device->businfo.pci->dev,
+ device->businfo.pci->func) < 0) {
+ return NULL;
+ }
}
return tag;
}