From cfd3443e2d32a655871a445b3509e5df96fa7581 Mon Sep 17 00:00:00 2001 From: Alexandru Ardelean Date: Wed, 11 Nov 2020 13:22:41 +0200 Subject: uio: pruss: move simple allocations to dem_ equivalents This change moves the simple allocations to their device-managed equivalents. This cleans up some error/exit paths. Signed-off-by: Alexandru Ardelean Link: https://lore.kernel.org/r/20201111112242.62116-1-alexandru.ardelean@analog.com Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio_pruss.c | 27 +++++++-------------------- 1 file changed, 7 insertions(+), 20 deletions(-) (limited to 'drivers/uio') diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index 1cc175d3c25c..41470c4dba02 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -99,7 +99,6 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev) for (cnt = 0; cnt < MAX_PRUSS_EVT; cnt++, p++) { uio_unregister_device(p); - kfree(p->name); } iounmap(gdev->prussio_vaddr); if (gdev->ddr_vaddr) { @@ -110,10 +109,8 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev) gen_pool_free(gdev->sram_pool, gdev->sram_vaddr, sram_pool_sz); - kfree(gdev->info); clk_disable(gdev->pruss_clk); clk_put(gdev->pruss_clk); - kfree(gdev); } static int pruss_probe(struct platform_device *pdev) @@ -125,22 +122,19 @@ static int pruss_probe(struct platform_device *pdev) int ret, cnt, i, len; struct uio_pruss_pdata *pdata = dev_get_platdata(dev); - gdev = kzalloc(sizeof(struct uio_pruss_dev), GFP_KERNEL); + gdev = devm_kzalloc(dev, sizeof(struct uio_pruss_dev), GFP_KERNEL); if (!gdev) return -ENOMEM; - gdev->info = kcalloc(MAX_PRUSS_EVT, sizeof(*p), GFP_KERNEL); - if (!gdev->info) { - ret = -ENOMEM; - goto err_free_gdev; - } + gdev->info = devm_kcalloc(dev, MAX_PRUSS_EVT, sizeof(*p), GFP_KERNEL); + if (!gdev->info) + return -ENOMEM; /* Power on PRU in case its not done as part of boot-loader */ gdev->pruss_clk = clk_get(dev, "pruss"); if (IS_ERR(gdev->pruss_clk)) { dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(gdev->pruss_clk); - goto err_free_info; + return PTR_ERR(gdev->pruss_clk); } ret = clk_enable(gdev->pruss_clk); @@ -206,7 +200,7 @@ static int pruss_probe(struct platform_device *pdev) p->mem[2].size = extram_pool_sz; p->mem[2].memtype = UIO_MEM_PHYS; - p->name = kasprintf(GFP_KERNEL, "pruss_evt%d", cnt); + p->name = devm_kasprintf(dev, GFP_KERNEL, "pruss_evt%d", cnt); p->version = DRV_VERSION; /* Register PRUSS IRQ lines */ @@ -215,10 +209,8 @@ static int pruss_probe(struct platform_device *pdev) p->priv = gdev; ret = uio_register_device(dev, p); - if (ret < 0) { - kfree(p->name); + if (ret < 0) goto err_unloop; - } } platform_set_drvdata(pdev, gdev); @@ -227,7 +219,6 @@ static int pruss_probe(struct platform_device *pdev) err_unloop: for (i = 0, p = gdev->info; i < cnt; i++, p++) { uio_unregister_device(p); - kfree(p->name); } iounmap(gdev->prussio_vaddr); err_free_ddr_vaddr: @@ -240,10 +231,6 @@ err_clk_disable: clk_disable(gdev->pruss_clk); err_clk_put: clk_put(gdev->pruss_clk); -err_free_info: - kfree(gdev->info); -err_free_gdev: - kfree(gdev); return ret; } -- cgit v1.2.3