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| author | Boris Brezillon <boris.brezillon@collabora.com> | 2020-06-03 15:49:15 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-06-26 08:35:08 +0200 |
| commit | f760bf29f8676b67fda766d3cf1dbc2fe79829e6 (patch) | |
| tree | c0bb9fb842909563d154518c9a7c9e01cd31458e /drivers/mtd/nand/raw/fsl_upm.c | |
| parent | 5290833c10b9f997de16f5bd158efcde3f96db54 (diff) | |
| download | linux-f760bf29f8676b67fda766d3cf1dbc2fe79829e6.tar.bz2 | |
mtd: rawnand: fsl_upm: Allocate the fsl_upm_nand object using devm_kzalloc()
This simplifies the init error path and remove function.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200603134922.1352340-4-boris.brezillon@collabora.com
Diffstat (limited to 'drivers/mtd/nand/raw/fsl_upm.c')
| -rw-r--r-- | drivers/mtd/nand/raw/fsl_upm.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c index 6eba2f4a2f5a..9cf79c62ef22 100644 --- a/drivers/mtd/nand/raw/fsl_upm.c +++ b/drivers/mtd/nand/raw/fsl_upm.c @@ -205,36 +205,34 @@ static int fun_probe(struct platform_device *ofdev) int size; int i; - fun = kzalloc(sizeof(*fun), GFP_KERNEL); + fun = devm_kzalloc(&ofdev->dev, sizeof(*fun), GFP_KERNEL); if (!fun) return -ENOMEM; ret = of_address_to_resource(ofdev->dev.of_node, 0, &io_res); if (ret) { dev_err(&ofdev->dev, "can't get IO base\n"); - goto err1; + return ret; } ret = fsl_upm_find(io_res.start, &fun->upm); if (ret) { dev_err(&ofdev->dev, "can't find UPM\n"); - goto err1; + return ret; } prop = of_get_property(ofdev->dev.of_node, "fsl,upm-addr-offset", &size); if (!prop || size != sizeof(uint32_t)) { dev_err(&ofdev->dev, "can't get UPM address offset\n"); - ret = -EINVAL; - goto err1; + return -EINVAL; } fun->upm_addr_offset = *prop; prop = of_get_property(ofdev->dev.of_node, "fsl,upm-cmd-offset", &size); if (!prop || size != sizeof(uint32_t)) { dev_err(&ofdev->dev, "can't get UPM command offset\n"); - ret = -EINVAL; - goto err1; + return -EINVAL; } fun->upm_cmd_offset = *prop; @@ -244,7 +242,7 @@ static int fun_probe(struct platform_device *ofdev) fun->mchip_count = size / sizeof(uint32_t); if (fun->mchip_count >= NAND_MAX_CHIPS) { dev_err(&ofdev->dev, "too much multiple chips\n"); - goto err1; + return -EINVAL; } for (i = 0; i < fun->mchip_count; i++) fun->mchip_offsets[i] = be32_to_cpu(prop[i]); @@ -306,8 +304,6 @@ err2: break; gpio_free(fun->rnb_gpio[i]); } -err1: - kfree(fun); return ret; } @@ -330,8 +326,6 @@ static int fun_remove(struct platform_device *ofdev) gpio_free(fun->rnb_gpio[i]); } - kfree(fun); - return 0; } |