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9p: fix sparse warnings

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Several sparse warnings were introduced by patches accepted during the merge
window which weren't caught.  This patch fixes those warnings.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Eric Van Hensbergen 2008-10-22 18:54:47 -05:00 committed by Eric Van Hensbergen
parent fc79d4b104
commit e45c5405e1
3 changed files with 14 additions and 12 deletions
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1
include/net/9p/client.h
View file

@ -182,6 +182,7 @@ struct p9_fid {
struct list_head dlist; /* list of all fids attached to a dentry */
};
int p9_client_version(struct p9_client *);
struct p9_client *p9_client_create(const char *dev_name, char *options);
void p9_client_destroy(struct p9_client *clnt);
void p9_client_disconnect(struct p9_client *clnt);

1
net/9p/client.c
View file

@ -159,6 +159,7 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
if (!c->reqs[row]) {
printk(KERN_ERR "Couldn't grow tag array\n");
spin_unlock_irqrestore(&c->lock, flags);
return ERR_PTR(-ENOMEM);
}
for (col = 0; col < P9_ROW_MAXTAG; col++) {

24
net/9p/protocol.c
View file

@ -186,7 +186,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
}
break;
case 's':{
char **ptr = va_arg(ap, char **);
char **sptr = va_arg(ap, char **);
int16_t len;
int size;
@ -196,17 +196,17 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
size = MAX(len, 0);
*ptr = kmalloc(size + 1, GFP_KERNEL);
if (*ptr == NULL) {
*sptr = kmalloc(size + 1, GFP_KERNEL);
if (*sptr == NULL) {
errcode = -EFAULT;
break;
}
if (pdu_read(pdu, *ptr, size)) {
if (pdu_read(pdu, *sptr, size)) {
errcode = -EFAULT;
kfree(*ptr);
*ptr = NULL;
kfree(*sptr);
*sptr = NULL;
} else
(*ptr)[size] = 0;
(*sptr)[size] = 0;
}
break;
case 'Q':{
@ -380,13 +380,13 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
}
break;
case 's':{
const char *ptr = va_arg(ap, const char *);
const char *sptr = va_arg(ap, const char *);
int16_t len = 0;
if (ptr)
len = MIN(strlen(ptr), USHORT_MAX);
if (sptr)
len = MIN(strlen(sptr), USHORT_MAX);
errcode = p9pdu_writef(pdu, optional, "w", len);
if (!errcode && pdu_write(pdu, ptr, len))
if (!errcode && pdu_write(pdu, sptr, len))
errcode = -EFAULT;
}
break;
@ -426,7 +426,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
case 'U':{
int32_t count = va_arg(ap, int32_t);
const char __user *udata =
va_arg(ap, const void *);
va_arg(ap, const void __user *);
errcode =
p9pdu_writef(pdu, optional, "d", count);
if (!errcode && pdu_write_u(pdu, udata, count))