diff options
| -rw-r--r-- | drivers/char/hw_random/omap-rng.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 06aad0831c7..2cc755a6430 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c | |||
| @@ -91,7 +91,7 @@ static struct hwrng omap_rng_ops = { | |||
| 91 | 91 | ||
| 92 | static int __devinit omap_rng_probe(struct platform_device *pdev) | 92 | static int __devinit omap_rng_probe(struct platform_device *pdev) |
| 93 | { | 93 | { |
| 94 | struct resource *res, *mem; | 94 | struct resource *res; |
| 95 | int ret; | 95 | int ret; |
| 96 | 96 | ||
| 97 | /* | 97 | /* |
| @@ -116,14 +116,12 @@ static int __devinit omap_rng_probe(struct platform_device *pdev) | |||
| 116 | if (!res) | 116 | if (!res) |
| 117 | return -ENOENT; | 117 | return -ENOENT; |
| 118 | 118 | ||
| 119 | mem = request_mem_region(res->start, resource_size(res), | 119 | if (!request_mem_region(res->start, resource_size(res), pdev->name)) { |
| 120 | pdev->name); | ||
| 121 | if (mem == NULL) { | ||
| 122 | ret = -EBUSY; | 120 | ret = -EBUSY; |
| 123 | goto err_region; | 121 | goto err_region; |
| 124 | } | 122 | } |
| 125 | 123 | ||
| 126 | dev_set_drvdata(&pdev->dev, mem); | 124 | dev_set_drvdata(&pdev->dev, res); |
| 127 | rng_base = ioremap(res->start, resource_size(res)); | 125 | rng_base = ioremap(res->start, resource_size(res)); |
| 128 | if (!rng_base) { | 126 | if (!rng_base) { |
| 129 | ret = -ENOMEM; | 127 | ret = -ENOMEM; |
| @@ -146,7 +144,7 @@ err_register: | |||
| 146 | iounmap(rng_base); | 144 | iounmap(rng_base); |
| 147 | rng_base = NULL; | 145 | rng_base = NULL; |
| 148 | err_ioremap: | 146 | err_ioremap: |
| 149 | release_resource(mem); | 147 | release_mem_region(res->start, resource_size(res)); |
| 150 | err_region: | 148 | err_region: |
| 151 | if (cpu_is_omap24xx()) { | 149 | if (cpu_is_omap24xx()) { |
| 152 | clk_disable(rng_ick); | 150 | clk_disable(rng_ick); |
| @@ -157,7 +155,7 @@ err_region: | |||
| 157 | 155 | ||
| 158 | static int __exit omap_rng_remove(struct platform_device *pdev) | 156 | static int __exit omap_rng_remove(struct platform_device *pdev) |
| 159 | { | 157 | { |
| 160 | struct resource *mem = dev_get_drvdata(&pdev->dev); | 158 | struct resource *res = dev_get_drvdata(&pdev->dev); |
| 161 | 159 | ||
| 162 | hwrng_unregister(&omap_rng_ops); | 160 | hwrng_unregister(&omap_rng_ops); |
| 163 | 161 | ||
| @@ -170,7 +168,7 @@ static int __exit omap_rng_remove(struct platform_device *pdev) | |||
| 170 | clk_put(rng_ick); | 168 | clk_put(rng_ick); |
| 171 | } | 169 | } |
| 172 | 170 | ||
| 173 | release_resource(mem); | 171 | release_mem_region(res->start, resource_size(res)); |
| 174 | rng_base = NULL; | 172 | rng_base = NULL; |
| 175 | 173 | ||
| 176 | return 0; | 174 | return 0; |
