[PATCH net-next v2 10/11] staging: qlge: devlink health: use retained error fmsg API

From: Przemek Kitszel
Date: Tue Oct 17 2023 - 06:55:19 EST


Drop unneeded error checking.

devlink_fmsg_*() family of functions is now retaining errors,
so there is no need to check for them after each call.

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>
---
drivers/staging/qlge/qlge_devlink.c | 60 ++++++++---------------------
1 file changed, 16 insertions(+), 44 deletions(-)

diff --git a/drivers/staging/qlge/qlge_devlink.c b/drivers/staging/qlge/qlge_devlink.c
index 0ab02d6d3817..0b19363ca2e9 100644
--- a/drivers/staging/qlge/qlge_devlink.c
+++ b/drivers/staging/qlge/qlge_devlink.c
@@ -2,51 +2,29 @@
#include "qlge.h"
#include "qlge_devlink.h"

-static int qlge_fill_seg_(struct devlink_fmsg *fmsg,
- struct mpi_coredump_segment_header *seg_header,
- u32 *reg_data)
+static void qlge_fill_seg_(struct devlink_fmsg *fmsg,
+ struct mpi_coredump_segment_header *seg_header,
+ u32 *reg_data)
{
int regs_num = (seg_header->seg_size
- sizeof(struct mpi_coredump_segment_header)) / sizeof(u32);
- int err;
int i;

- err = devlink_fmsg_pair_nest_start(fmsg, seg_header->description);
- if (err)
- return err;
- err = devlink_fmsg_obj_nest_start(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "segment", seg_header->seg_num);
- if (err)
- return err;
- err = devlink_fmsg_arr_pair_nest_start(fmsg, "values");
- if (err)
- return err;
+ devlink_fmsg_pair_nest_start(fmsg, seg_header->description);
+ devlink_fmsg_obj_nest_start(fmsg);
+ devlink_fmsg_u32_pair_put(fmsg, "segment", seg_header->seg_num);
+ devlink_fmsg_arr_pair_nest_start(fmsg, "values");
for (i = 0; i < regs_num; i++) {
- err = devlink_fmsg_u32_put(fmsg, *reg_data);
- if (err)
- return err;
+ devlink_fmsg_u32_put(fmsg, *reg_data);
reg_data++;
}
- err = devlink_fmsg_obj_nest_end(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_arr_pair_nest_end(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_pair_nest_end(fmsg);
- return err;
+ devlink_fmsg_obj_nest_end(fmsg);
+ devlink_fmsg_arr_pair_nest_end(fmsg);
+ devlink_fmsg_pair_nest_end(fmsg);
}

-#define FILL_SEG(seg_hdr, seg_regs) \
- do { \
- err = qlge_fill_seg_(fmsg, &dump->seg_hdr, dump->seg_regs); \
- if (err) { \
- kvfree(dump); \
- return err; \
- } \
- } while (0)
+#define FILL_SEG(seg_hdr, seg_regs) \
+ qlge_fill_seg_(fmsg, &dump->seg_hdr, dump->seg_regs)

static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, void *priv_ctx,
@@ -114,14 +92,8 @@ static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
FILL_SEG(xfi_hss_tx_hdr, serdes_xfi_hss_tx);
FILL_SEG(xfi_hss_rx_hdr, serdes_xfi_hss_rx);
FILL_SEG(xfi_hss_pll_hdr, serdes_xfi_hss_pll);
-
- err = qlge_fill_seg_(fmsg, &dump->misc_nic_seg_hdr,
- (u32 *)&dump->misc_nic_info);
- if (err) {
- kvfree(dump);
- return err;
- }
-
+ qlge_fill_seg_(fmsg, &dump->misc_nic_seg_hdr,
+ (u32 *)&dump->misc_nic_info);
FILL_SEG(intr_states_seg_hdr, intr_states);
FILL_SEG(cam_entries_seg_hdr, cam_entries);
FILL_SEG(nic_routing_words_seg_hdr, nic_routing_words);
@@ -140,7 +112,7 @@ static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
FILL_SEG(sem_regs_seg_hdr, sem_regs);

kvfree(dump);
- return err;
+ return 0;
}

static const struct devlink_health_reporter_ops qlge_reporter_ops = {
--
2.40.1