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ti-st: handle null allocation return correctly.

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static analysis with smatch picked up the following error:

get_platform_data() error: potential null dereference 'dt_pdata'.
  (kzalloc returns null)

Instead, the code should return NULL to avoid the following null
pointer deference.  Also, remove the error message as it is
redundant, the caller emits an error message to alert of a
failure anyhow.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2015-05-12 22:37:23 +01:00 committed by Greg Kroah-Hartman
parent 4b6fda0b80
commit 0810f18fce
1 changed files with 1 additions and 2 deletions
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3
drivers/misc/ti-st/st_kim.c
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@ -752,9 +752,8 @@ static struct ti_st_plat_data *get_platform_data(struct device *dev)
int len;
dt_pdata = kzalloc(sizeof(*dt_pdata), GFP_KERNEL);
if (!dt_pdata)
pr_err("Can't allocate device_tree platform data\n");
return NULL;
dt_property = of_get_property(np, "dev_name", &len);
if (dt_property)