raw/ifpga: fix variable initialization in probing

[ upstream commit aae56ac ]

Scalar variable sub_brg_bdf may be used uninitialized in function
ifpga_rawdev_fill_info(). It is initialized now in this fix.

Coverity issue: 375805
Fixes: 9c006c4 ("raw/ifpga: scan PCIe BDF device tree")

Signed-off-by: Wei Huang <wei.huang@intel.com>
Acked-by: Tianfei Zhang <tianfei.zhang@intel.com>

drivers/raw/ifpga/ifpga_rawdev.c

@@ -216,7 +216,7 @@ static int ifpga_rawdev_fill_info(struct ifpga_rawdev *ifpga_dev,
 	char dir[1024] = "/sys/devices/";
 	char *c;
 	int ret;
-	char sub_brg_bdf[4][16];
+	char sub_brg_bdf[4][16] = {{0}};
 	int point;
 	DIR *dp = NULL;
 	struct dirent *entry;