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authorDong Aisheng <dong.aisheng@linaro.org>2012-07-11 15:16:37 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-11 15:26:51 +1000
commit475d0094293b51353e342d1198377967dbc48169 (patch)
treeb10a01706dd433b93353600a00491ce62e385ec9 /fs/proc
parentb416c9a10baae6a177b4f9ee858b8d309542fbef (diff)
of: Improve prom_update_property() function
prom_update_property() currently fails if the property doesn't actually exist yet which isn't what we want. Change to add-or-update instead of update-only, then we can remove a lot duplicated lines. Suggested-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/proc_devtree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index 927cbd115e5..df7dd08d439 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -101,6 +101,11 @@ void proc_device_tree_update_prop(struct proc_dir_entry *pde,
{
struct proc_dir_entry *ent;
+ if (!oldprop) {
+ proc_device_tree_add_prop(pde, newprop);
+ return;
+ }
+
for (ent = pde->subdir; ent != NULL; ent = ent->next)
if (ent->data == oldprop)
break;