diff options
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/cistpl.c | 9 | ||||
| -rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 6 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 8567f4fad50..dd7651ff5b4 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -89,6 +89,8 @@ static void __iomem * set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags) { pccard_mem_map *mem = &s->cis_mem; + int ret; + if (!(s->features & SS_CAP_STATIC_MAP) && mem->res == NULL) { mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s); if (mem->res == NULL) { @@ -99,7 +101,12 @@ set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flag } mem->card_start = card_offset; mem->flags = flags; - s->ops->set_mem_map(s, mem); + ret = s->ops->set_mem_map(s, mem); + if (ret) { + iounmap(s->cis_virt); + return NULL; + } + if (s->features & SS_CAP_STATIC_MAP) { if (s->cis_virt) iounmap(s->cis_virt); diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index c8f21796c59..51aa04b7ecc 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -372,6 +372,9 @@ static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s) base, base+num-1); bad = fail = 0; step = (num < 0x20000) ? 0x2000 : ((num>>4) & ~0x1fff); + /* don't allow too large steps */ + if (step > 0x800000) + step = 0x800000; /* cis_readable wants to map 2x map_size */ if (step < 2 * s->map_size) step = 2 * s->map_size; @@ -465,8 +468,7 @@ static void validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) for (m = s_data->mem_db.next; m != &s_data->mem_db; m = mm.next) { mm = *m; - if (do_mem_probe(mm.base, mm.num, s)) - break; + do_mem_probe(mm.base, mm.num, s); } } |