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-rw-r--r--fs/udf/misc.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 2af44702633b..a1d6da0caf71 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -51,17 +51,18 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
51 uint8_t *ea = NULL, *ad = NULL; 51 uint8_t *ea = NULL, *ad = NULL;
52 int offset; 52 int offset;
53 uint16_t crclen; 53 uint16_t crclen;
54 struct udf_inode_info *iinfo = UDF_I(inode);
54 55
55 ea = UDF_I(inode)->i_ext.i_data; 56 ea = iinfo->i_ext.i_data;
56 if (UDF_I(inode)->i_lenEAttr) { 57 if (iinfo->i_lenEAttr) {
57 ad = UDF_I(inode)->i_ext.i_data + UDF_I(inode)->i_lenEAttr; 58 ad = iinfo->i_ext.i_data + iinfo->i_lenEAttr;
58 } else { 59 } else {
59 ad = ea; 60 ad = ea;
60 size += sizeof(struct extendedAttrHeaderDesc); 61 size += sizeof(struct extendedAttrHeaderDesc);
61 } 62 }
62 63
63 offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) - 64 offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) -
64 UDF_I(inode)->i_lenAlloc; 65 iinfo->i_lenAlloc;
65 66
66 /* TODO - Check for FreeEASpace */ 67 /* TODO - Check for FreeEASpace */
67 68
@@ -69,21 +70,21 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
69 struct extendedAttrHeaderDesc *eahd; 70 struct extendedAttrHeaderDesc *eahd;
70 eahd = (struct extendedAttrHeaderDesc *)ea; 71 eahd = (struct extendedAttrHeaderDesc *)ea;
71 72
72 if (UDF_I(inode)->i_lenAlloc) 73 if (iinfo->i_lenAlloc)
73 memmove(&ad[size], ad, UDF_I(inode)->i_lenAlloc); 74 memmove(&ad[size], ad, iinfo->i_lenAlloc);
74 75
75 if (UDF_I(inode)->i_lenEAttr) { 76 if (iinfo->i_lenEAttr) {
76 /* check checksum/crc */ 77 /* check checksum/crc */
77 if (eahd->descTag.tagIdent != 78 if (eahd->descTag.tagIdent !=
78 cpu_to_le16(TAG_IDENT_EAHD) || 79 cpu_to_le16(TAG_IDENT_EAHD) ||
79 le32_to_cpu(eahd->descTag.tagLocation) != 80 le32_to_cpu(eahd->descTag.tagLocation) !=
80 UDF_I(inode)->i_location.logicalBlockNum) 81 iinfo->i_location.logicalBlockNum)
81 return NULL; 82 return NULL;
82 } else { 83 } else {
83 struct udf_sb_info *sbi = UDF_SB(inode->i_sb); 84 struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
84 85
85 size -= sizeof(struct extendedAttrHeaderDesc); 86 size -= sizeof(struct extendedAttrHeaderDesc);
86 UDF_I(inode)->i_lenEAttr += 87 iinfo->i_lenEAttr +=
87 sizeof(struct extendedAttrHeaderDesc); 88 sizeof(struct extendedAttrHeaderDesc);
88 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); 89 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
89 if (sbi->s_udfrev >= 0x0200) 90 if (sbi->s_udfrev >= 0x0200)
@@ -93,15 +94,15 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
93 eahd->descTag.tagSerialNum = 94 eahd->descTag.tagSerialNum =
94 cpu_to_le16(sbi->s_serial_number); 95 cpu_to_le16(sbi->s_serial_number);
95 eahd->descTag.tagLocation = cpu_to_le32( 96 eahd->descTag.tagLocation = cpu_to_le32(
96 UDF_I(inode)->i_location.logicalBlockNum); 97 iinfo->i_location.logicalBlockNum);
97 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); 98 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF);
98 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); 99 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF);
99 } 100 }
100 101
101 offset = UDF_I(inode)->i_lenEAttr; 102 offset = iinfo->i_lenEAttr;
102 if (type < 2048) { 103 if (type < 2048) {
103 if (le32_to_cpu(eahd->appAttrLocation) < 104 if (le32_to_cpu(eahd->appAttrLocation) <
104 UDF_I(inode)->i_lenEAttr) { 105 iinfo->i_lenEAttr) {
105 uint32_t aal = 106 uint32_t aal =
106 le32_to_cpu(eahd->appAttrLocation); 107 le32_to_cpu(eahd->appAttrLocation);
107 memmove(&ea[offset - aal + size], 108 memmove(&ea[offset - aal + size],
@@ -111,7 +112,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
111 cpu_to_le32(aal + size); 112 cpu_to_le32(aal + size);
112 } 113 }
113 if (le32_to_cpu(eahd->impAttrLocation) < 114 if (le32_to_cpu(eahd->impAttrLocation) <
114 UDF_I(inode)->i_lenEAttr) { 115 iinfo->i_lenEAttr) {
115 uint32_t ial = 116 uint32_t ial =
116 le32_to_cpu(eahd->impAttrLocation); 117 le32_to_cpu(eahd->impAttrLocation);
117 memmove(&ea[offset - ial + size], 118 memmove(&ea[offset - ial + size],
@@ -122,7 +123,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
122 } 123 }
123 } else if (type < 65536) { 124 } else if (type < 65536) {
124 if (le32_to_cpu(eahd->appAttrLocation) < 125 if (le32_to_cpu(eahd->appAttrLocation) <
125 UDF_I(inode)->i_lenEAttr) { 126 iinfo->i_lenEAttr) {
126 uint32_t aal = 127 uint32_t aal =
127 le32_to_cpu(eahd->appAttrLocation); 128 le32_to_cpu(eahd->appAttrLocation);
128 memmove(&ea[offset - aal + size], 129 memmove(&ea[offset - aal + size],
@@ -138,7 +139,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
138 eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + 139 eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd +
139 sizeof(tag), crclen, 0)); 140 sizeof(tag), crclen, 0));
140 eahd->descTag.tagChecksum = udf_tag_checksum(&eahd->descTag); 141 eahd->descTag.tagChecksum = udf_tag_checksum(&eahd->descTag);
141 UDF_I(inode)->i_lenEAttr += size; 142 iinfo->i_lenEAttr += size;
142 return (struct genericFormat *)&ea[offset]; 143 return (struct genericFormat *)&ea[offset];
143 } 144 }
144 if (loc & 0x02) 145 if (loc & 0x02)
@@ -153,10 +154,11 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
153 struct genericFormat *gaf; 154 struct genericFormat *gaf;
154 uint8_t *ea = NULL; 155 uint8_t *ea = NULL;
155 uint32_t offset; 156 uint32_t offset;
157 struct udf_inode_info *iinfo = UDF_I(inode);
156 158
157 ea = UDF_I(inode)->i_ext.i_data; 159 ea = iinfo->i_ext.i_data;
158 160
159 if (UDF_I(inode)->i_lenEAttr) { 161 if (iinfo->i_lenEAttr) {
160 struct extendedAttrHeaderDesc *eahd; 162 struct extendedAttrHeaderDesc *eahd;
161 eahd = (struct extendedAttrHeaderDesc *)ea; 163 eahd = (struct extendedAttrHeaderDesc *)ea;
162 164
@@ -164,7 +166,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
164 if (eahd->descTag.tagIdent != 166 if (eahd->descTag.tagIdent !=
165 cpu_to_le16(TAG_IDENT_EAHD) || 167 cpu_to_le16(TAG_IDENT_EAHD) ||
166 le32_to_cpu(eahd->descTag.tagLocation) != 168 le32_to_cpu(eahd->descTag.tagLocation) !=
167 UDF_I(inode)->i_location.logicalBlockNum) 169 iinfo->i_location.logicalBlockNum)
168 return NULL; 170 return NULL;
169 171
170 if (type < 2048) 172 if (type < 2048)
@@ -174,7 +176,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
174 else 176 else
175 offset = le32_to_cpu(eahd->appAttrLocation); 177 offset = le32_to_cpu(eahd->appAttrLocation);
176 178
177 while (offset < UDF_I(inode)->i_lenEAttr) { 179 while (offset < iinfo->i_lenEAttr) {
178 gaf = (struct genericFormat *)&ea[offset]; 180 gaf = (struct genericFormat *)&ea[offset];
179 if (le32_to_cpu(gaf->attrType) == type && 181 if (le32_to_cpu(gaf->attrType) == type &&
180 gaf->attrSubtype == subtype) 182 gaf->attrSubtype == subtype)