diff options
| -rw-r--r-- | net/9p/protocol.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 798beac7f100..1e308f210928 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -178,27 +178,24 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt, break; case 's':{ char **sptr = va_arg(ap, char **); - int16_t len; - int size; + uint16_t len; errcode = p9pdu_readf(pdu, proto_version, "w", &len); if (errcode) break; - size = max_t(int16_t, len, 0); - - *sptr = kmalloc(size + 1, GFP_KERNEL); + *sptr = kmalloc(len + 1, GFP_KERNEL); if (*sptr == NULL) { errcode = -EFAULT; break; } - if (pdu_read(pdu, *sptr, size)) { + if (pdu_read(pdu, *sptr, len)) { errcode = -EFAULT; kfree(*sptr); *sptr = NULL; } else - (*sptr)[size] = 0; + (*sptr)[len] = 0; } break; case 'Q':{ @@ -234,14 +231,14 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt, } break; case 'D':{ - int32_t *count = va_arg(ap, int32_t *); + uint32_t *count = va_arg(ap, uint32_t *); void **data = va_arg(ap, void **); errcode = p9pdu_readf(pdu, proto_version, "d", count); if (!errcode) { *count = - min_t(int32_t, *count, + min_t(uint32_t, *count, pdu->size - pdu->offset); *data = &pdu->sdata[pdu->offset]; } @@ -404,9 +401,10 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, break; case 's':{ const char *sptr = va_arg(ap, const char *); - int16_t len = 0; + uint16_t len = 0; if (sptr) - len = min_t(int16_t, strlen(sptr), USHRT_MAX); + len = min_t(uint16_t, strlen(sptr), + USHRT_MAX); errcode = p9pdu_writef(pdu, proto_version, "w", len); @@ -438,7 +436,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, stbuf->n_gid, stbuf->n_muid); } break; case 'D':{ - int32_t count = va_arg(ap, int32_t); + uint32_t count = va_arg(ap, uint32_t); const void *data = va_arg(ap, const void *); errcode = p9pdu_writef(pdu, proto_version, "d", |