Commit f7df4abf authored Aug 11, 2021 by Krishna Kurapati Committed by Gerrit - the friendly Code Review server Aug 24, 2021

usb: gadget: gsi: Avoid accessing an uninitialized variable



Prevent dereferencing an uninitialized f_gsi pointer.
Return a valid gsi context only after finding a valid
gsi_opts instance. Else return NULL.

Change-Id: I75578c0bc3f4673ec66cb80bcb7a6ae328489253
Signed-off-by: Krishna Kurapati <kriskura@codeaurora.org>

parent 1ca91eb8

drivers/usb/gadget/function/f_gsi.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -207,12 +207,12 @@ static struct f_gsi *get_connected_gsi(void)
		int i;

		for (i = 0; i < IPA_USB_MAX_TETH_PROT_SIZE; i++) {
		if (inst_status[i].opts)
		if (inst_status[i].opts) {
		connected_gsi = inst_status[i].opts->gsi;

		if (connected_gsi && atomic_read(&connected_gsi->connected))
		return connected_gsi;
		}
		}

		return NULL;
		}