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OMAP2+: mailbox: fix lookups for multiple mailboxes

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The pointer math in omap_mbox_get() is not quite right, and leads to
passing NULL to strcmp() when searching for an mbox that is not first
in the list.

Convert to using array indexing as is done in all the other functions
which walk the mbox list.

Tested on OMAP2420/n810, OMAP3630/zoom3, OMAP4430/Blaze

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Kevin Hilman 2011-02-11 19:56:43 +00:00 committed by Tony Lindgren
parent eca83258f1
commit c03773206b
1 changed files with 7 additions and 4 deletions
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11
arch/arm/plat-omap/mailbox.c
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@ -322,15 +322,18 @@ static void omap_mbox_fini(struct omap_mbox *mbox)
struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb)
{
struct omap_mbox *mbox;
int ret;
struct omap_mbox *_mbox, *mbox = NULL;
int i, ret;
if (!mboxes)
return ERR_PTR(-EINVAL);
for (mbox = *mboxes; mbox; mbox++)
if (!strcmp(mbox->name, name))
for (i = 0; (_mbox = mboxes[i]); i++) {
if (!strcmp(_mbox->name, name)) {
mbox = _mbox;
break;
}
}
if (!mbox)
return ERR_PTR(-ENOENT);