diff options
| author | Jörn Engel <joern@logfs.org> | 2007-10-20 23:16:32 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-20 22:30:54 +0100 |
| commit | eb684507159de2162cd6fc62f2b3a671afd5a61d (patch) | |
| tree | 18bdc17456ef9af6ed85f1d08a735d8fe911d852 /lib/reed_solomon | |
| parent | 1dd7fdb163645f453f5ae55686511b6fcc2314cd (diff) | |
| download | lwn-eb684507159de2162cd6fc62f2b3a671afd5a61d.tar.gz lwn-eb684507159de2162cd6fc62f2b3a671afd5a61d.zip | |
[MTD] [NAND] Replace -1 with -EBADMSG in nand error correction code
Magic numerical values are just bad style. Particularly so when
undocumented.
Signed-off-by: Jörn Engel <joern@logfs.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'lib/reed_solomon')
| -rw-r--r-- | lib/reed_solomon/decode_rs.c | 2 | ||||
| -rw-r--r-- | lib/reed_solomon/reed_solomon.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/reed_solomon/decode_rs.c b/lib/reed_solomon/decode_rs.c index 65bc718f0dc0..0ec3f257ffdf 100644 --- a/lib/reed_solomon/decode_rs.c +++ b/lib/reed_solomon/decode_rs.c @@ -202,7 +202,7 @@ * deg(lambda) unequal to number of roots => uncorrectable * error detected */ - count = -1; + count = -EBADMSG; goto finish; } /* diff --git a/lib/reed_solomon/reed_solomon.c b/lib/reed_solomon/reed_solomon.c index 5b0d8522b7ca..3ea2db94d5b0 100644 --- a/lib/reed_solomon/reed_solomon.c +++ b/lib/reed_solomon/reed_solomon.c @@ -320,6 +320,7 @@ EXPORT_SYMBOL_GPL(encode_rs8); * The syndrome and parity uses a uint16_t data type to enable * symbol size > 8. The calling code must take care of decoding of the * syndrome result and the received parity before calling this code. + * Returns the number of corrected bits or -EBADMSG for uncorrectable errors. */ int decode_rs8(struct rs_control *rs, uint8_t *data, uint16_t *par, int len, uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk, @@ -363,6 +364,7 @@ EXPORT_SYMBOL_GPL(encode_rs16); * @corr: buffer to store correction bitmask on eras_pos * * Each field in the data array contains up to symbol size bits of valid data. + * Returns the number of corrected bits or -EBADMSG for uncorrectable errors. */ int decode_rs16(struct rs_control *rs, uint16_t *data, uint16_t *par, int len, uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk, |