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| author | Insu Yun <wuninsu@gmail.com> | 2016-02-16 05:19:57 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-02-16 18:36:22 +0300 |
| commit | aaf2b3afb93102411412f9dad8d84b13fc7f7edb (patch) | |
| tree | fbaec6ff0177caf4092b61f3322ee63a2cf3017a /drivers/gpio/gpio-mcp23s08.c | |
| parent | 818cc6a5f8c6030d05f7dcb21970bf5f7db5dcbd (diff) | |
| download | linux-aaf2b3afb93102411412f9dad8d84b13fc7f7edb.tar.xz | |
gpio-mcp23s08: correctly handling failed allocation
Since devm_kzalloc can be failed in memory pressure,
it needs to check and return -ENOMEM
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
| -rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index c767879e4dd9..f8d4abcff573 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -803,6 +803,8 @@ static int mcp230xx_probe(struct i2c_client *client, pdata = devm_kzalloc(&client->dev, sizeof(struct mcp23s08_platform_data), GFP_KERNEL); + if (!pdata) + return -ENOMEM; pdata->base = -1; } } |