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block/sed: Use ssize_t on atom parsers to return errors 

The short atom parser can return an errno from decoding but does not
currently return the error as a signed value. Convert all of the parsers
to ssize_t.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Scott Bauer <scott.bauer@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jon Derrick 2017-02-21 11:59:13 -07:00 committed by Jens Axboe
parent bd1599d931
commit aedb6e2411
1 changed files with 14 additions and 14 deletions
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28
block/sed-opal.c
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@ -706,8 +706,8 @@ static enum opal_token response_get_token(const struct parsed_resp *resp,
return tok->pos[0];
}
static size_t response_parse_tiny(struct opal_resp_tok *tok,
const u8 *pos)
static ssize_t response_parse_tiny(struct opal_resp_tok *tok,
const u8 *pos)
{
tok->pos = pos;
tok->len = 1;
@ -723,8 +723,8 @@ static size_t response_parse_tiny(struct opal_resp_tok *tok,
return tok->len;
}
static size_t response_parse_short(struct opal_resp_tok *tok,
const u8 *pos)
static ssize_t response_parse_short(struct opal_resp_tok *tok,
const u8 *pos)
{
tok->pos = pos;
tok->len = (pos[0] & SHORT_ATOM_LEN_MASK) + 1;
@ -736,7 +736,7 @@ static size_t response_parse_short(struct opal_resp_tok *tok,
tok->type = OPAL_DTA_TOKENID_SINT;
} else {
u64 u_integer = 0;
int i, b = 0;
ssize_t i, b = 0;
tok->type = OPAL_DTA_TOKENID_UINT;
if (tok->len > 9) {
@ -753,8 +753,8 @@ static size_t response_parse_short(struct opal_resp_tok *tok,
return tok->len;
}
static size_t response_parse_medium(struct opal_resp_tok *tok,
const u8 *pos)
static ssize_t response_parse_medium(struct opal_resp_tok *tok,
const u8 *pos)
{
tok->pos = pos;
tok->len = (((pos[0] & MEDIUM_ATOM_LEN_MASK) << 8) | pos[1]) + 2;
@ -770,8 +770,8 @@ static size_t response_parse_medium(struct opal_resp_tok *tok,
return tok->len;
}
static size_t response_parse_long(struct opal_resp_tok *tok,
const u8 *pos)
static ssize_t response_parse_long(struct opal_resp_tok *tok,
const u8 *pos)
{
tok->pos = pos;
tok->len = ((pos[1] << 16) | (pos[2] << 8) | pos[3]) + 4;
@ -787,8 +787,8 @@ static size_t response_parse_long(struct opal_resp_tok *tok,
return tok->len;
}
static size_t response_parse_token(struct opal_resp_tok *tok,
const u8 *pos)
static ssize_t response_parse_token(struct opal_resp_tok *tok,
const u8 *pos)
{
tok->pos = pos;
tok->len = 1;
@ -805,7 +805,7 @@ static int response_parse(const u8 *buf, size_t length,
struct opal_resp_tok *iter;
int num_entries = 0;
int total;
size_t token_length;
ssize_t token_length;
const u8 *pos;
if (!buf)
@ -851,8 +851,8 @@ static int response_parse(const u8 *buf, size_t length,
else /* TOKEN */
token_length = response_parse_token(iter, pos);
if (token_length == -EINVAL)
return -EINVAL;
if (token_length < 0)
return token_length;
pos += token_length;
total -= token_length;