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octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dmac_flt.c

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Add error pointer checks after calling otx2_mbox_get_rsp().

Fixes: 79d2be385e ("octeontx2-pf: offload DMAC filters to CGX/RPM block")
Fixes: fa5e0ccb8f ("octeontx2-pf: Add support for exact match table.")
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 19:13:54 +00:00
committed by Andrew Lunn
parent ac9183023b
commit f5b942e6c5
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c
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@@ -28,6 +28,11 @@ static int otx2_dmacflt_do_add(struct otx2_nic *pf, const u8 *mac,
if (!err) {
rsp = (struct cgx_mac_addr_add_rsp *)
otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr);
if (IS_ERR(rsp)) {
mutex_unlock(&pf->mbox.lock);
return PTR_ERR(rsp);
}
*dmac_index = rsp->index;
}
@@ -200,6 +205,10 @@ int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos)
rsp = (struct cgx_mac_addr_update_rsp *)
otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr);
if (IS_ERR(rsp)) {
rc = PTR_ERR(rsp);
goto out;
}
pf->flow_cfg->bmap_to_dmacindex[bit_pos] = rsp->index;