diff options
author | Dominik Brodowski <linux@dominikbrodowski.net> | 2008-08-03 10:22:47 +0200 |
---|---|---|
committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2008-08-23 02:29:40 +0200 |
commit | 1168386aa7d850ead2ae135d5a7949a592c6e9a0 (patch) | |
tree | 9b36c2220df778fa74af93befb641c0569a5e862 /drivers/pcmcia | |
parent | 5ff87db6792844ae24cc784512a95e0c94521b19 (diff) |
pcmcia: deprecate CS_OUT_OF_RESOURCE
CS_OUT_OF_RESOURCE was almost only used to note -ENOMEM situations.
Therefore, use -ENOMEM explicitely, and also print out warnings.
CC: netdev@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/cistpl.c | 43 | ||||
-rw-r--r-- | drivers/pcmcia/pcmcia_resource.c | 2 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 32 |
3 files changed, 47 insertions, 30 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 1a513d9a8612..8d37768d0b46 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -352,7 +352,9 @@ int verify_cis_cache(struct pcmcia_socket *s) buf = kmalloc(256, GFP_KERNEL); if (buf == NULL) - return -1; + dev_printk(KERN_WARNING, &s->dev, + "no memory for verifying CIS\n"); + return -ENOMEM; list_for_each_entry(cis, &s->cis_cache, node) { int len = cis->len; @@ -384,15 +386,19 @@ int verify_cis_cache(struct pcmcia_socket *s) int pcmcia_replace_cis(struct pcmcia_socket *s, const u8 *data, const size_t len) { - if (len > CISTPL_MAX_CIS_SIZE) - return CS_BAD_SIZE; - kfree(s->fake_cis); - s->fake_cis = kmalloc(len, GFP_KERNEL); - if (s->fake_cis == NULL) - return CS_OUT_OF_RESOURCE; - s->fake_cis_len = len; - memcpy(s->fake_cis, data, len); - return 0; + if (len > CISTPL_MAX_CIS_SIZE) { + dev_printk(KERN_WARNING, &s->dev, "replacement CIS too big\n"); + return -EINVAL; + } + kfree(s->fake_cis); + s->fake_cis = kmalloc(len, GFP_KERNEL); + if (s->fake_cis == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to replace CIS\n"); + return -ENOMEM; + } + s->fake_cis_len = len; + memcpy(s->fake_cis, data, len); + return 0; } EXPORT_SYMBOL(pcmcia_replace_cis); @@ -1411,8 +1417,10 @@ int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t int ret; buf = kmalloc(256, GFP_KERNEL); - if (buf == NULL) - return CS_OUT_OF_RESOURCE; + if (buf == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + return -ENOMEM; + } tuple.DesiredTuple = code; tuple.Attributes = TUPLE_RETURN_COMMON; ret = pccard_get_first_tuple(s, function, &tuple); @@ -1452,12 +1460,15 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned return CS_BAD_HANDLE; tuple = kmalloc(sizeof(*tuple), GFP_KERNEL); - if (tuple == NULL) - return CS_OUT_OF_RESOURCE; + if (tuple == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n"); + return -ENOMEM; + } p = kmalloc(sizeof(*p), GFP_KERNEL); if (p == NULL) { - kfree(tuple); - return CS_OUT_OF_RESOURCE; + kfree(tuple); + dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n"); + return -ENOMEM; } count = reserved = 0; diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 48e168e8165b..69d87a7e0766 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -780,7 +780,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h for (w = 0; w < MAX_WIN; w++) if (!(s->state & SOCKET_WIN_REQ(w))) break; if (w == MAX_WIN) - return CS_OUT_OF_RESOURCE; + return CS_IN_USE; win = &s->win[w]; win->magic = WINDOW_MAGIC; diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 9d04fb214ec2..0e4141bac7b1 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -122,19 +122,22 @@ static void free_region(struct resource *res) static int add_interval(struct resource_map *map, u_long base, u_long num) { - struct resource_map *p, *q; + struct resource_map *p, *q; - for (p = map; ; p = p->next) { - if ((p != map) && (p->base+p->num-1 >= base)) - return -1; - if ((p->next == map) || (p->next->base > base+num-1)) - break; - } - q = kmalloc(sizeof(struct resource_map), GFP_KERNEL); - if (!q) return CS_OUT_OF_RESOURCE; - q->base = base; q->num = num; - q->next = p->next; p->next = q; - return 0; + for (p = map; ; p = p->next) { + if ((p != map) && (p->base+p->num-1 >= base)) + return -1; + if ((p->next == map) || (p->next->base > base+num-1)) + break; + } + q = kmalloc(sizeof(struct resource_map), GFP_KERNEL); + if (!q) { + printk(KERN_WARNING "out of memory to update resources\n"); + return -ENOMEM; + } + q->base = base; q->num = num; + q->next = p->next; p->next = q; + return 0; } /*====================================================================*/ @@ -166,7 +169,10 @@ static int sub_interval(struct resource_map *map, u_long base, u_long num) } else { /* Split the block into two pieces */ p = kmalloc(sizeof(struct resource_map), GFP_KERNEL); - if (!p) return CS_OUT_OF_RESOURCE; + if (!p) { + printk(KERN_WARNING "out of memory to update resources\n"); + return -ENOMEM; + } p->base = base+num; p->num = q->base+q->num - p->base; q->num = base - q->base; |