octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c

Add error pointer check after calling otx2_mbox_get_rsp().

Fixes: ab58a416c9 ("octeontx2-pf: cn10k: Get max mtu supported from admin function")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
This commit is contained in:
Dipendra Khadka
2024-10-17 18:56:33 +00:00
committed by Andrew Lunn
parent d811ac148f
commit 0fbc7a5027

View File

@@ -1837,6 +1837,10 @@ u16 otx2_get_max_mtu(struct otx2_nic *pfvf)
if (!rc) {
rsp = (struct nix_hw_info *)
otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
if (IS_ERR(rsp)) {
rc = PTR_ERR(rsp);
goto out;
}
/* HW counts VLAN insertion bytes (8 for double tag)
* irrespective of whether SQE is requesting to insert VLAN