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Subject[PATCH 06/16] crypto: atmel-{aes,sha,tdes} - Rename labels in probe()
Date
From: Tudor Ambarus <tudor.ambarus@microchip.com>

Choose label names which say what the goto does and not from where
the goto was issued. This avoids adding superfluous labels like
"err_aes_buff".

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
drivers/crypto/atmel-aes.c | 27 +++++++++++++--------------
drivers/crypto/atmel-sha.c | 25 ++++++++++++-------------
drivers/crypto/atmel-tdes.c | 26 ++++++++++++--------------
3 files changed, 37 insertions(+), 41 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 1cb5564e73f4..0744859ec793 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2650,7 +2650,7 @@ static int atmel_aes_probe(struct platform_device *pdev)
if (!aes_res) {
dev_err(dev, "no MEM resource info\n");
err = -ENODEV;
- goto res_err;
+ goto err_tasklet_kill;
}
aes_dd->phys_base = aes_res->start;

@@ -2658,14 +2658,14 @@ static int atmel_aes_probe(struct platform_device *pdev)
aes_dd->irq = platform_get_irq(pdev, 0);
if (aes_dd->irq < 0) {
err = aes_dd->irq;
- goto res_err;
+ goto err_tasklet_kill;
}

err = devm_request_irq(&pdev->dev, aes_dd->irq, atmel_aes_irq,
IRQF_SHARED, "atmel-aes", aes_dd);
if (err) {
dev_err(dev, "unable to request aes irq.\n");
- goto res_err;
+ goto err_tasklet_kill;
}

/* Initializing the clock */
@@ -2673,40 +2673,40 @@ static int atmel_aes_probe(struct platform_device *pdev)
if (IS_ERR(aes_dd->iclk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(aes_dd->iclk);
- goto res_err;
+ goto err_tasklet_kill;
}

aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res);
if (IS_ERR(aes_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
err = PTR_ERR(aes_dd->io_base);
- goto res_err;
+ goto err_tasklet_kill;
}

err = clk_prepare(aes_dd->iclk);
if (err)
- goto res_err;
+ goto err_tasklet_kill;

err = atmel_aes_hw_version_init(aes_dd);
if (err)
- goto iclk_unprepare;
+ goto err_iclk_unprepare;

atmel_aes_get_cap(aes_dd);

#if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC)
if (aes_dd->caps.has_authenc && !atmel_sha_authenc_is_ready()) {
err = -EPROBE_DEFER;
- goto iclk_unprepare;
+ goto err_iclk_unprepare;
}
#endif

err = atmel_aes_buff_init(aes_dd);
if (err)
- goto err_aes_buff;
+ goto err_iclk_unprepare;

err = atmel_aes_dma_init(aes_dd, pdata);
if (err)
- goto err_aes_dma;
+ goto err_buff_cleanup;

spin_lock(&atmel_aes.lock);
list_add_tail(&aes_dd->list, &atmel_aes.dev_list);
@@ -2727,12 +2727,11 @@ static int atmel_aes_probe(struct platform_device *pdev)
list_del(&aes_dd->list);
spin_unlock(&atmel_aes.lock);
atmel_aes_dma_cleanup(aes_dd);
-err_aes_dma:
+err_buff_cleanup:
atmel_aes_buff_cleanup(aes_dd);
-err_aes_buff:
-iclk_unprepare:
+err_iclk_unprepare:
clk_unprepare(aes_dd->iclk);
-res_err:
+err_tasklet_kill:
tasklet_kill(&aes_dd->done_task);
tasklet_kill(&aes_dd->queue_task);

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index e85fa48e3d10..8f63a1aebd9e 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2778,7 +2778,7 @@ static int atmel_sha_probe(struct platform_device *pdev)
if (!sha_res) {
dev_err(dev, "no MEM resource info\n");
err = -ENODEV;
- goto res_err;
+ goto err_tasklet_kill;
}
sha_dd->phys_base = sha_res->start;

@@ -2786,14 +2786,14 @@ static int atmel_sha_probe(struct platform_device *pdev)
sha_dd->irq = platform_get_irq(pdev, 0);
if (sha_dd->irq < 0) {
err = sha_dd->irq;
- goto res_err;
+ goto err_tasklet_kill;
}

err = devm_request_irq(&pdev->dev, sha_dd->irq, atmel_sha_irq,
IRQF_SHARED, "atmel-sha", sha_dd);
if (err) {
dev_err(dev, "unable to request sha irq.\n");
- goto res_err;
+ goto err_tasklet_kill;
}

/* Initializing the clock */
@@ -2801,23 +2801,23 @@ static int atmel_sha_probe(struct platform_device *pdev)
if (IS_ERR(sha_dd->iclk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(sha_dd->iclk);
- goto res_err;
+ goto err_tasklet_kill;
}

sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res);
if (IS_ERR(sha_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
err = PTR_ERR(sha_dd->io_base);
- goto res_err;
+ goto err_tasklet_kill;
}

err = clk_prepare(sha_dd->iclk);
if (err)
- goto res_err;
+ goto err_tasklet_kill;

err = atmel_sha_hw_version_init(sha_dd);
if (err)
- goto iclk_unprepare;
+ goto err_iclk_unprepare;

atmel_sha_get_cap(sha_dd);

@@ -2828,16 +2828,16 @@ static int atmel_sha_probe(struct platform_device *pdev)
if (IS_ERR(pdata)) {
dev_err(&pdev->dev, "platform data not available\n");
err = PTR_ERR(pdata);
- goto iclk_unprepare;
+ goto err_iclk_unprepare;
}
}
if (!pdata->dma_slave) {
err = -ENXIO;
- goto iclk_unprepare;
+ goto err_iclk_unprepare;
}
err = atmel_sha_dma_init(sha_dd, pdata);
if (err)
- goto err_sha_dma;
+ goto err_iclk_unprepare;

dev_info(dev, "using %s for DMA transfers\n",
dma_chan_name(sha_dd->dma_lch_in.chan));
@@ -2863,10 +2863,9 @@ static int atmel_sha_probe(struct platform_device *pdev)
spin_unlock(&atmel_sha.lock);
if (sha_dd->caps.has_dma)
atmel_sha_dma_cleanup(sha_dd);
-err_sha_dma:
-iclk_unprepare:
+err_iclk_unprepare:
clk_unprepare(sha_dd->iclk);
-res_err:
+err_tasklet_kill:
tasklet_kill(&sha_dd->queue_task);
tasklet_kill(&sha_dd->done_task);

diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 9baae2065474..16527ef2a05b 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1280,7 +1280,7 @@ static int atmel_tdes_probe(struct platform_device *pdev)
if (!tdes_res) {
dev_err(dev, "no MEM resource info\n");
err = -ENODEV;
- goto res_err;
+ goto err_tasklet_kill;
}
tdes_dd->phys_base = tdes_res->start;

@@ -1288,14 +1288,14 @@ static int atmel_tdes_probe(struct platform_device *pdev)
tdes_dd->irq = platform_get_irq(pdev, 0);
if (tdes_dd->irq < 0) {
err = tdes_dd->irq;
- goto res_err;
+ goto err_tasklet_kill;
}

err = devm_request_irq(&pdev->dev, tdes_dd->irq, atmel_tdes_irq,
IRQF_SHARED, "atmel-tdes", tdes_dd);
if (err) {
dev_err(dev, "unable to request tdes irq.\n");
- goto res_err;
+ goto err_tasklet_kill;
}

/* Initializing the clock */
@@ -1303,25 +1303,25 @@ static int atmel_tdes_probe(struct platform_device *pdev)
if (IS_ERR(tdes_dd->iclk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(tdes_dd->iclk);
- goto res_err;
+ goto err_tasklet_kill;
}

tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res);
if (IS_ERR(tdes_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
err = PTR_ERR(tdes_dd->io_base);
- goto res_err;
+ goto err_tasklet_kill;
}

err = atmel_tdes_hw_version_init(tdes_dd);
if (err)
- goto res_err;
+ goto err_tasklet_kill;

atmel_tdes_get_cap(tdes_dd);

err = atmel_tdes_buff_init(tdes_dd);
if (err)
- goto err_tdes_buff;
+ goto err_tasklet_kill;

if (tdes_dd->caps.has_dma) {
pdata = pdev->dev.platform_data;
@@ -1330,16 +1330,16 @@ static int atmel_tdes_probe(struct platform_device *pdev)
if (IS_ERR(pdata)) {
dev_err(&pdev->dev, "platform data not available\n");
err = PTR_ERR(pdata);
- goto err_pdata;
+ goto err_buff_cleanup;
}
}
if (!pdata->dma_slave) {
err = -ENXIO;
- goto err_pdata;
+ goto err_buff_cleanup;
}
err = atmel_tdes_dma_init(tdes_dd, pdata);
if (err)
- goto err_tdes_dma;
+ goto err_buff_cleanup;

dev_info(dev, "using %s, %s for DMA transfers\n",
dma_chan_name(tdes_dd->dma_lch_in.chan),
@@ -1364,11 +1364,9 @@ static int atmel_tdes_probe(struct platform_device *pdev)
spin_unlock(&atmel_tdes.lock);
if (tdes_dd->caps.has_dma)
atmel_tdes_dma_cleanup(tdes_dd);
-err_tdes_dma:
-err_pdata:
+err_buff_cleanup:
atmel_tdes_buff_cleanup(tdes_dd);
-err_tdes_buff:
-res_err:
+err_tasklet_kill:
tasklet_kill(&tdes_dd->done_task);
tasklet_kill(&tdes_dd->queue_task);

--
2.14.5
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