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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-01-09 02:38:23 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-01-09 02:38:23 -0500
commitda733563be5a9da26fe81d9f007262d00b846e22 (patch)
treedb28291df94a2043af2123911984c5c173da4e6f /fs/udf/misc.c
parent6ccbcf2cb41131f8d56ef0723bf3f7c1f8486076 (diff)
parentdab78d7924598ea4031663dd10db814e2e324928 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'fs/udf/misc.c')
-rw-r--r--fs/udf/misc.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 9215700c00a4..c175b4dabc14 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -204,6 +204,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
204{ 204{
205 struct tag *tag_p; 205 struct tag *tag_p;
206 struct buffer_head *bh = NULL; 206 struct buffer_head *bh = NULL;
207 u8 checksum;
207 208
208 /* Read the block */ 209 /* Read the block */
209 if (block == 0xFFFFFFFF) 210 if (block == 0xFFFFFFFF)
@@ -211,8 +212,8 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
211 212
212 bh = udf_tread(sb, block); 213 bh = udf_tread(sb, block);
213 if (!bh) { 214 if (!bh) {
214 udf_debug("block=%d, location=%d: read failed\n", 215 udf_err(sb, "read failed, block=%u, location=%d\n",
215 block, location); 216 block, location);
216 return NULL; 217 return NULL;
217 } 218 }
218 219
@@ -227,16 +228,18 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
227 } 228 }
228 229
229 /* Verify the tag checksum */ 230 /* Verify the tag checksum */
230 if (udf_tag_checksum(tag_p) != tag_p->tagChecksum) { 231 checksum = udf_tag_checksum(tag_p);
231 printk(KERN_ERR "udf: tag checksum failed block %d\n", block); 232 if (checksum != tag_p->tagChecksum) {
233 udf_err(sb, "tag checksum failed, block %u: 0x%02x != 0x%02x\n",
234 block, checksum, tag_p->tagChecksum);
232 goto error_out; 235 goto error_out;
233 } 236 }
234 237
235 /* Verify the tag version */ 238 /* Verify the tag version */
236 if (tag_p->descVersion != cpu_to_le16(0x0002U) && 239 if (tag_p->descVersion != cpu_to_le16(0x0002U) &&
237 tag_p->descVersion != cpu_to_le16(0x0003U)) { 240 tag_p->descVersion != cpu_to_le16(0x0003U)) {
238 udf_debug("tag version 0x%04x != 0x0002 || 0x0003 block %d\n", 241 udf_err(sb, "tag version 0x%04x != 0x0002 || 0x0003, block %u\n",
239 le16_to_cpu(tag_p->descVersion), block); 242 le16_to_cpu(tag_p->descVersion), block);
240 goto error_out; 243 goto error_out;
241 } 244 }
242 245
@@ -248,8 +251,8 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
248 return bh; 251 return bh;
249 252
250 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block, 253 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block,
251 le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength)); 254 le16_to_cpu(tag_p->descCRC),
252 255 le16_to_cpu(tag_p->descCRCLength));
253error_out: 256error_out:
254 brelse(bh); 257 brelse(bh);
255 return NULL; 258 return NULL;