From: Thinh Nguyen Date: Wed, 11 Dec 2024 00:32:25 +0000 (+0000) Subject: usb: gadget: f_tcm: Limit number of sessions X-Git-Tag: v6.14-rc1~69^2~62 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8840047985bbe3b49855f4e164ad92253d6f8136;p=linux-block.git usb: gadget: f_tcm: Limit number of sessions Only allocate up to UASP_SS_EP_COMP_NUM_STREAMS number of session tags. We should not be using more than UASP_SS_EP_COMP_NUM_STREAMS of tags due to the number of commands limit we imposed. Each command uses a unique tag. Any more than that is unnecessary. By limiting it, we can detect an issue in our driver immediately should we run out of session tags. Signed-off-by: Thinh Nguyen Link: https://lore.kernel.org/r/017016ffcab2f3c284d863fc42483b83dbd21b35.1733876548.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h index 6cb05dcd19ff..385bc2cdefb6 100644 --- a/drivers/usb/gadget/function/tcm.h +++ b/drivers/usb/gadget/function/tcm.h @@ -24,7 +24,7 @@ enum { #define USB_G_ALT_INT_BBB 0 #define USB_G_ALT_INT_UAS 1 -#define USB_G_DEFAULT_SESSION_TAGS 128 +#define USB_G_DEFAULT_SESSION_TAGS UASP_SS_EP_COMP_NUM_STREAMS struct tcm_usbg_nexus { struct se_session *tvn_se_sess;