From: Jesper Juhl <[email protected]>
If kmalloc() fails to allocate space for 'old_symlink_name' in
drivers/base/core.c::device_rename(), then we'll leak 'old_class_name'.
Spotted by the Coverity checker.
Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/base/core.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 365f709..41f3dca 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -809,8 +809,10 @@ int device_rename(struct device *dev, ch
if (dev->class) {
old_symlink_name = kmalloc(BUS_ID_SIZE, GFP_KERNEL);
- if (!old_symlink_name)
- return -ENOMEM;
+ if (!old_symlink_name) {
+ error = -ENOMEM;
+ goto out_free_old_class;
+ }
strlcpy(old_symlink_name, dev->bus_id, BUS_ID_SIZE);
}
@@ -834,9 +836,10 @@ int device_rename(struct device *dev, ch
}
put_device(dev);
- kfree(old_class_name);
kfree(new_class_name);
kfree(old_symlink_name);
+ out_free_old_class:
+ kfree(old_class_name);
return error;
}
--
1.4.2.4
-
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