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ice_dcb_lib.c

Source contains low-bit mask syntaxAssigns a negative errno constant

SHA-2561377b674e15e81caa274dd61521edc5f277dab9f0d3f1db3b09c7317a5fdc166

Evidence

imports devlink/devlink.h lines 1–14

1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2019, Intel Corporation. */
3
4#include "ice_dcb_lib.h"
5#include "ice_dcb_nl.h"
6#include "devlink/devlink.h"
7
8/**
9 * ice_dcb_get_ena_tc - return bitmap of enabled TCs
10 * @dcbcfg: DCB config to evaluate for enabled TCs
11 */
12static u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg)
13{
14	u8 i, num_tc, ena_ …

Source contains low-bit mask syntax lines 315–323

8… _tc, total_bw = 0;
int i;
317
/* returns number of contigous TCs and 1 TC for non-contigous TCs,
* since at least 1 TC has to be configured
*/
num_tc = ice_dcb_get_num_tc(dcbcfg);
322
/* no bandw …

Kernel error code return lines 337–347

337:21… dev(pf), "Invalid config, total bandwidth must equal 100\n");
338		return -EINVAL;
339	}
340
⋯7 lines

Assigns a negative errno constant lines 394–413

27… (pf);
if (!pf_vsi) {
dev_dbg(dev, "PF VSI doesn't exist\n");
ret = -EINVAL;
goto free_cfg;
}
400
/* Notify AUX drivers about impending change to TCs */
event = kzalloc_obj(*event);
if (!event) {
ret = -ENOMEM;
goto free_cfg;
}
⋯7 lines

Copies bytes with native memcpy lines 418–423

22… cted by DCB changes */
ice_dcb_ena_dis_vsi(pf, false, true);
420
memcpy(curr_cfg, new_cfg, sizeof(*curr_cfg));
memcpy(&curr_cfg->etsrec, &curr_cfg->etscfg, sizeof(curr_cfg->etsrec));
memcpy(&new_cf …