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greybus: svc: free pwrmon_rails memory upon exit 

For every time SVC instance is created, memories for storing the rail IDs
are allocated, however, they are not freed when the SVC is destroyed.
This patch fixes the memory leak by freeing the memory when debugfs for
SVC is no longer needed.

Testing Done:
- Check pwrmon debugfs after turning on and off SVC

Signed-off-by: David Lin <dtwlin@google.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
David Lin 2016-04-22 19:03:43 -07:00 committed by Greg Kroah-Hartman
parent 3fd747a63e
commit 9983ea6b76
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/greybus/svc.c
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@ -650,6 +650,8 @@ static void gb_svc_debugfs_init(struct gb_svc *svc)
static void gb_svc_debugfs_exit(struct gb_svc *svc)
{
debugfs_remove_recursive(svc->debugfs_dentry);
kfree(svc->pwrmon_rails);
svc->pwrmon_rails = NULL;
}
static int gb_svc_hello(struct gb_operation *op)