Hi Qi, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on omap/for-next] [also build test WARNING on v4.15-rc7 next-20180108] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Qi-Hou/arm-omap2-timer-fix-a-kmemleak-caused-in-omap_get_timer_dt/20180109-033316 base: https://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git for-next config: arm-omap2plus_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): arch/arm/mach-omap2/timer.c: In function 'omap_get_timer_dt': >> arch/arm/mach-omap2/timer.c:205:12: warning: return makes pointer from >> integer without a cast [-Wint-conversion] return -ENOMEM; ^ vim +205 arch/arm/mach-omap2/timer.c 170 171 /** 172 * omap_get_timer_dt - get a timer using device-tree 173 * @match - device-tree match structure for matching a device type 174 * @property - optional timer property to match 175 * 176 * Helper function to get a timer during early boot using device-tree for use 177 * as kernel system timer. Optionally, the property argument can be used to 178 * select a timer with a specific property. Once a timer is found then mark 179 * the timer node in device-tree as disabled, to prevent the kernel from 180 * registering this timer as a platform device and so no one else can use it. 181 */ 182 static struct device_node * __init omap_get_timer_dt(const struct of_device_id *match, 183 const char *property) 184 { 185 struct device_node *np; 186 187 for_each_matching_node(np, match) { 188 if (!of_device_is_available(np)) 189 continue; 190 191 if (property && !of_get_property(np, property, NULL)) 192 continue; 193 194 if (!property && (of_get_property(np, "ti,timer-alwon", NULL) || 195 of_get_property(np, "ti,timer-dsp", NULL) || 196 of_get_property(np, "ti,timer-pwm", NULL) || 197 of_get_property(np, "ti,timer-secure", NULL))) 198 continue; 199 200 if (!of_device_is_compatible(np, "ti,omap-counter32k")) { 201 struct property *prop; 202 203 prop = kzalloc(sizeof(*prop), GFP_KERNEL); 204 if (!prop) > 205 return -ENOMEM; 206 prop->name = "status"; 207 prop->length = sizeof("disabled"); 208 prop->value = "disabled"; 209 of_add_property(np, prop); 210 } 211 return np; 212 } 213 214 return NULL; 215 } 216 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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