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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:29:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:29:40 +0100 |
| commit | 5a54bd1307471c1cd0521402fe65e2057edcab2f (patch) | |
| tree | 25fb6a543db4ccc11b6d5662ed2e7facfce39ae7 /fs/ubifs/tnc.c | |
| parent | f9f35677d81adb0feedcd6e0e661784805c8facd (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
| download | linux-5a54bd1307471c1cd0521402fe65e2057edcab2f.tar.gz linux-5a54bd1307471c1cd0521402fe65e2057edcab2f.tar.bz2 linux-5a54bd1307471c1cd0521402fe65e2057edcab2f.zip | |
Merge commit 'v2.6.29' into core/header-fixes
Diffstat (limited to 'fs/ubifs/tnc.c')
| -rw-r--r-- | fs/ubifs/tnc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c index f7e36f545527..fa28a84c6a1b 100644 --- a/fs/ubifs/tnc.c +++ b/fs/ubifs/tnc.c @@ -443,6 +443,11 @@ static int tnc_read_node_nm(struct ubifs_info *c, struct ubifs_zbranch *zbr, * This function performs that same function as ubifs_read_node except that * it does not require that there is actually a node present and instead * the return code indicates if a node was read. + * + * Note, this function does not check CRC of data nodes if @c->no_chk_data_crc + * is true (it is controlled by corresponding mount option). However, if + * @c->always_chk_crc is true, @c->no_chk_data_crc is ignored and CRC is always + * checked. */ static int try_read_node(const struct ubifs_info *c, void *buf, int type, int len, int lnum, int offs) @@ -470,9 +475,8 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type, if (node_len != len) return 0; - if (type == UBIFS_DATA_NODE && !c->always_chk_crc) - if (c->no_chk_data_crc) - return 0; + if (type == UBIFS_DATA_NODE && !c->always_chk_crc && c->no_chk_data_crc) + return 1; crc = crc32(UBIFS_CRC32_INIT, buf + 8, node_len - 8); node_crc = le32_to_cpu(ch->crc); @@ -1506,7 +1510,7 @@ out: * * Note, if the bulk-read buffer length (@bu->buf_len) is known, this function * makes sure bulk-read nodes fit the buffer. Otherwise, this function prepares - * maxumum possible amount of nodes for bulk-read. + * maximum possible amount of nodes for bulk-read. */ int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu) { |