On some platforms resource_size_t == 64 but but unsigned long is only 32-bits.
In this particular problem, reported and fixed by Tony Breeds, a physical
address was truncated as a result.
Reported-by: Tony Breeds <tony@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Signed-off-by: Roland Vossen <rvossen@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmsmac/mac80211_if.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
index 2370171..9b787e6 100644
--- a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
@@ -752,12 +752,11 @@ static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
* is called in brcms_pci_probe() context, therefore no locking required.
*/
static struct brcms_info *brcms_attach(u16 vendor, u16 device,
- unsigned long regs,
+ resource_size_t regs,
struct pci_dev *btparam, uint irq)
{
struct brcms_info *wl = NULL;
int unit, err;
- unsigned long base_addr;
struct ieee80211_hw *hw;
u8 perm[ETH_ALEN];
@@ -780,11 +779,7 @@ static struct brcms_info *brcms_attach(u16 vendor, u16 device,
/* setup the bottom half handler */
tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
-
-
- base_addr = regs;
-
- wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
+ wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
if (wl->regsva == NULL) {
wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
goto fail;
--
1.7.4.1
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