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", | 
