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authorAndrey Konovalov <andreyknvl@google.com>2019-10-21 16:20:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-17 19:56:52 +0100
commitedb2aa9301b1159b9ddc7ecc55302480fad35a72 (patch)
tree3635472f46ae32403f3d1ba19034d074c9e37786
parent246cd4b0d52e5ca37b00d8d1c4612b2022185cb9 (diff)
USB: dummy-hcd: increase max number of devices to 32
commit 8442b02bf3c6770e0d7e7ea17be36c30e95987b6 upstream. When fuzzing the USB subsystem with syzkaller, we currently use 8 testing processes within one VM. To isolate testing processes from one another it is desirable to assign a dedicated USB bus to each of those, which means we need at least 8 Dummy UDC/HCD devices. This patch increases the maximum number of Dummy UDC/HCD devices to 32 (more than 8 in case we need more of them in the future). Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Link: https://lore.kernel.org/r/665578f904484069bb6100fb20283b22a046ad9b.1571667489.git.andreyknvl@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 3d499d93c083..a8f1e5707c14 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -2725,7 +2725,7 @@ static struct platform_driver dummy_hcd_driver = {
};
/*-------------------------------------------------------------------------*/
-#define MAX_NUM_UDC 2
+#define MAX_NUM_UDC 32
static struct platform_device *the_udc_pdev[MAX_NUM_UDC];
static struct platform_device *the_hcd_pdev[MAX_NUM_UDC];