[jonhunter:tegra/for-next 25/25] drivers/of/property.c:1289 parse_interrupts() error: uninitialized symbol 'sup'.

[jonhunter:tegra/for-next 25/25] drivers/of/property.c:1289 parse_interrupts() error: uninitialized symbol 'sup'.

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Saravana Kannan <saravanak@google.com>
CC: Jon Hunter <jonathanh@nvidia.com>

tree:   https://github.com/jonhunter/linux tegra/for-next
head:   adc9c29516a458e917603625e77afae2beb20e0a
commit: adc9c29516a458e917603625e77afae2beb20e0a [25/25] of: property: Add device link support for interrupts
:::::: branch date: 2 hours ago
:::::: commit date: 2 hours ago
config: x86_64-randconfig-m001-20210119 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/of/property.c:1289 parse_interrupts() error: uninitialized symbol 'sup'.

vim +/sup +1289 drivers/of/property.c

e149573b2f84d051 Will Deacon     2019-11-20  1275  
adc9c29516a458e9 Saravana Kannan 2020-12-18  1276  static struct device_node *parse_interrupts(struct device_node *np,
adc9c29516a458e9 Saravana Kannan 2020-12-18  1277  					    const char *prop_name, int index)
adc9c29516a458e9 Saravana Kannan 2020-12-18  1278  {
adc9c29516a458e9 Saravana Kannan 2020-12-18  1279  	struct device_node *sup;
adc9c29516a458e9 Saravana Kannan 2020-12-18  1280  
adc9c29516a458e9 Saravana Kannan 2020-12-18  1281  	if (strcmp(prop_name, "interrupts") || index)
adc9c29516a458e9 Saravana Kannan 2020-12-18  1282  		return NULL;
adc9c29516a458e9 Saravana Kannan 2020-12-18  1283  
adc9c29516a458e9 Saravana Kannan 2020-12-18  1284  	of_node_get(np);
adc9c29516a458e9 Saravana Kannan 2020-12-18  1285  	while (np && !(sup = of_parse_phandle(np, "interrupt-parent", 0)))
adc9c29516a458e9 Saravana Kannan 2020-12-18  1286  		np = of_get_next_parent(np);
adc9c29516a458e9 Saravana Kannan 2020-12-18  1287  	of_node_put(np);
adc9c29516a458e9 Saravana Kannan 2020-12-18  1288  
adc9c29516a458e9 Saravana Kannan 2020-12-18 @1289  	return sup;
adc9c29516a458e9 Saravana Kannan 2020-12-18  1290  }
adc9c29516a458e9 Saravana Kannan 2020-12-18  1291  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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