[jack-fs:for_next 1/4] fs/udf/inode.c:2302:44: error: 'sbi' undeclared

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git for_next
head:   b0961edc5667d36af3667a2ff07c4804dadecf99
commit: 107eb175cbc8115811b223f7ea63ca6afa607fe3 [1/4] udf: validate extent partition references in udf_current_aext()
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260709/202607090123.R8ME5MFP-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607090123.R8ME5MFP-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607090123.R8ME5MFP-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/udf/inode.c: In function 'udf_current_aext':
>> fs/udf/inode.c:2302:44: error: 'sbi' undeclared (first use in this function)
    2302 |         if (eloc->partitionReferenceNum >= sbi->s_partitions) {
         |                                            ^~~
   fs/udf/inode.c:2302:44: note: each undeclared identifier is reported only once for each function it appears in


vim +/sbi +2302 fs/udf/inode.c

  2241	
  2242	/*
  2243	 * Returns 1 on success, -errno on error, 0 on hit EOF.
  2244	 */
  2245	int udf_current_aext(struct inode *inode, struct extent_position *epos,
  2246			     struct kernel_lb_addr *eloc, uint32_t *elen, int8_t *etype,
  2247			     int inc)
  2248	{
  2249		int alen;
  2250		uint8_t *ptr;
  2251		struct short_ad *sad;
  2252		struct long_ad *lad;
  2253		struct udf_inode_info *iinfo = UDF_I(inode);
  2254	
  2255		if (!epos->bh) {
  2256			if (!epos->offset)
  2257				epos->offset = udf_file_entry_alloc_offset(inode);
  2258			ptr = iinfo->i_data + epos->offset -
  2259				udf_file_entry_alloc_offset(inode) +
  2260				iinfo->i_lenEAttr;
  2261			alen = udf_file_entry_alloc_offset(inode) +
  2262								iinfo->i_lenAlloc;
  2263		} else {
  2264			struct allocExtDesc *header =
  2265				(struct allocExtDesc *)epos->bh->b_data;
  2266	
  2267			if (!epos->offset)
  2268				epos->offset = sizeof(struct allocExtDesc);
  2269			ptr = epos->bh->b_data + epos->offset;
  2270			if (check_add_overflow(sizeof(struct allocExtDesc),
  2271					le32_to_cpu(header->lengthAllocDescs), &alen))
  2272				return -1;
  2273	
  2274			if (alen > epos->bh->b_size)
  2275				return -1;
  2276		}
  2277	
  2278		switch (iinfo->i_alloc_type) {
  2279		case ICBTAG_FLAG_AD_SHORT:
  2280			sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);
  2281			if (!sad)
  2282				return 0;
  2283			*etype = le32_to_cpu(sad->extLength) >> 30;
  2284			eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
  2285			eloc->partitionReferenceNum =
  2286					iinfo->i_location.partitionReferenceNum;
  2287			*elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
  2288			break;
  2289		case ICBTAG_FLAG_AD_LONG:
  2290			lad = udf_get_filelongad(ptr, alen, &epos->offset, inc);
  2291			if (!lad)
  2292				return 0;
  2293			*etype = le32_to_cpu(lad->extLength) >> 30;
  2294			*eloc = lelb_to_cpu(lad->extLocation);
  2295			*elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
  2296			break;
  2297		default:
  2298			udf_debug("alloc_type = %u unsupported\n", iinfo->i_alloc_type);
  2299			return -EINVAL;
  2300		}
  2301	
> 2302		if (eloc->partitionReferenceNum >= sbi->s_partitions) {
  2303			udf_debug("invalid partition reference %u (partitions %u)\n",
  2304				  eloc->partitionReferenceNum, sbi->s_partitions);
  2305			return -EFSCORRUPTED;
  2306		}
  2307	
  2308		return 1;
  2309	}
  2310	

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