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authorPaul Mackerras <paulus@samba.org>2006-02-07 10:43:36 +1100
committerPaul Mackerras <paulus@samba.org>2006-02-07 10:43:36 +1100
commit6cb6524d90b6e5497e79a1474bdb2f26755d1c02 (patch)
treefd475ac8f57a6bd39c976056324d1bc79d11b4c9 /drivers/macintosh
parent837e9594fc3cb9a06bddd7ecf66151334a2e13d2 (diff)
parent410c05427a69f53851637ccb85c2212131409fbd (diff)
Merge ../linux-2.6
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/macio_asic.c72
1 files changed, 48 insertions, 24 deletions
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index ed6d3174d660..69596f6438e9 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -140,10 +140,9 @@ static int macio_uevent(struct device *dev, char **envp, int num_envp,
{
struct macio_dev * macio_dev;
struct of_device * of;
- char *scratch, *compat;
+ char *scratch, *compat, *compat2;
int i = 0;
- int length = 0;
- int cplen, seen = 0;
+ int length, cplen, cplen2, seen = 0;
if (!dev)
return -ENODEV;
@@ -153,23 +152,22 @@ static int macio_uevent(struct device *dev, char **envp, int num_envp,
return -ENODEV;
of = &macio_dev->ofdev;
- scratch = buffer;
/* stuff we want to pass to /sbin/hotplug */
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length, "OF_NAME=%s",
- of->node->name);
- if ((buffer_size - length <= 0) || (i >= num_envp))
- return -ENOMEM;
+ envp[i++] = scratch = buffer;
+ length = scnprintf (scratch, buffer_size, "OF_NAME=%s", of->node->name);
++length;
+ buffer_size -= length;
+ if ((buffer_size <= 0) || (i >= num_envp))
+ return -ENOMEM;
scratch += length;
envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length, "OF_TYPE=%s",
- of->node->type);
- if ((buffer_size - length <= 0) || (i >= num_envp))
- return -ENOMEM;
+ length = scnprintf (scratch, buffer_size, "OF_TYPE=%s", of->node->type);
++length;
+ buffer_size -= length;
+ if ((buffer_size <= 0) || (i >= num_envp))
+ return -ENOMEM;
scratch += length;
/* Since the compatible field can contain pretty much anything
@@ -177,29 +175,55 @@ static int macio_uevent(struct device *dev, char **envp, int num_envp,
* up using a number of environment variables instead. */
compat = (char *) get_property(of->node, "compatible", &cplen);
+ compat2 = compat;
+ cplen2= cplen;
while (compat && cplen > 0) {
- int l;
envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length,
+ length = scnprintf (scratch, buffer_size,
"OF_COMPATIBLE_%d=%s", seen, compat);
- if ((buffer_size - length <= 0) || (i >= num_envp))
+ ++length;
+ buffer_size -= length;
+ if ((buffer_size <= 0) || (i >= num_envp))
return -ENOMEM;
- length++;
scratch += length;
- l = strlen (compat) + 1;
- compat += l;
- cplen -= l;
+ length = strlen (compat) + 1;
+ compat += length;
+ cplen -= length;
seen++;
}
envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length,
- "OF_COMPATIBLE_N=%d", seen);
- if ((buffer_size - length <= 0) || (i >= num_envp))
- return -ENOMEM;
+ length = scnprintf (scratch, buffer_size, "OF_COMPATIBLE_N=%d", seen);
++length;
+ buffer_size -= length;
+ if ((buffer_size <= 0) || (i >= num_envp))
+ return -ENOMEM;
+ scratch += length;
+
+ envp[i++] = scratch;
+ length = scnprintf (scratch, buffer_size, "MODALIAS=of:N%sT%s",
+ of->node->name, of->node->type);
+ /* overwrite '\0' */
+ buffer_size -= length;
+ if ((buffer_size <= 0) || (i >= num_envp))
+ return -ENOMEM;
scratch += length;
+ if (!compat2) {
+ compat2 = "";
+ cplen2 = 1;
+ }
+ while (cplen2 > 0) {
+ length = snprintf (scratch, buffer_size, "C%s", compat2);
+ buffer_size -= length;
+ if (buffer_size <= 0)
+ return -ENOMEM;
+ scratch += length;
+ length = strlen (compat2) + 1;
+ compat2 += length;
+ cplen2 -= length;
+ }
+
envp[i] = NULL;
return 0;