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| author | Eduardo Valentin <edubezval@gmail.com> | 2016-11-07 21:09:25 -0800 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2016-11-23 10:06:12 +0800 |
| commit | 95e3ed1513494aa2d0aaba7a99fb7aa8b51dcfc8 (patch) | |
| tree | 15319f30bef7d11b39b0d2c5f657cd505149d499 /drivers/thermal | |
| parent | 38e7b549af829ad2abd94b60e555227a15f9ecff (diff) | |
| download | linux-stable-95e3ed1513494aa2d0aaba7a99fb7aa8b51dcfc8.tar.gz linux-stable-95e3ed1513494aa2d0aaba7a99fb7aa8b51dcfc8.tar.bz2 linux-stable-95e3ed1513494aa2d0aaba7a99fb7aa8b51dcfc8.zip | |
thermal: core: use kzalloc(sizeof(*ptr),...)
As a safety check, this patch changes thermal
core to check for pointer content size, instead of type size,
while allocating memory.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 2db21e53d0d0..4f9384482818 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -674,8 +674,7 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, if (lower > upper || upper > max_state) return -EINVAL; - dev = - kzalloc(sizeof(struct thermal_instance), GFP_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; dev->tz = tz; @@ -917,7 +916,7 @@ __thermal_cooling_device_register(struct device_node *np, !ops->set_cur_state) return ERR_PTR(-EINVAL); - cdev = kzalloc(sizeof(struct thermal_cooling_device), GFP_KERNEL); + cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); if (!cdev) return ERR_PTR(-ENOMEM); @@ -1163,7 +1162,7 @@ thermal_zone_device_register(const char *type, int trips, int mask, if (trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp)) return ERR_PTR(-EINVAL); - tz = kzalloc(sizeof(struct thermal_zone_device), GFP_KERNEL); + tz = kzalloc(sizeof(*tz), GFP_KERNEL); if (!tz) return ERR_PTR(-ENOMEM); |