From eb684507159de2162cd6fc62f2b3a671afd5a61d Mon Sep 17 00:00:00 2001 From: Jörn Engel Date: Sat, 20 Oct 2007 23:16:32 +0200 Subject: [MTD] [NAND] Replace -1 with -EBADMSG in nand error correction code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Magic numerical values are just bad style. Particularly so when undocumented. Signed-off-by: Jörn Engel Signed-off-by: David Woodhouse --- lib/reed_solomon/decode_rs.c | 2 +- lib/reed_solomon/reed_solomon.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'lib') 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, -- cgit v1.2.3