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Diffstat (limited to 'Documentation/driver-model/devres.txt')
| -rw-r--r-- | Documentation/driver-model/devres.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index 52a752300e94..841c99529d27 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -132,6 +132,13 @@ devres. Complexity is shifted from less maintained low level drivers to better maintained higher layer. Also, as init failure path is shared with exit path, both can get more testing. +Note though that when converting current calls or assignments to +managed devm_* versions it is up to you to check if internal operations +like allocating memory, have failed. Managed resources pertains to the +freeing of these resources *only* - all other checks needed are still +on you. In some cases this may mean introducing checks that were not +necessary before moving to the managed devm_* calls. + 3. Devres group --------------- |