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staging: bcm2835-camera: use kernel preferred style for handling errors 

This patch replaces NULL error values with error pointer values.

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Aishwarya Pant 2017-03-10 00:31:36 +05:30 committed by Greg Kroah-Hartman
parent 6aec8c56bc
commit b8f9326762
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
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@ -262,7 +262,7 @@ get_msg_context(struct vchiq_mmal_instance *instance)
msg_context = kzalloc(sizeof(*msg_context), GFP_KERNEL);
if (!msg_context)
return NULL;
return ERR_PTR(-ENOMEM);
msg_context->instance = instance;
msg_context->handle =
@ -272,7 +272,7 @@ get_msg_context(struct vchiq_mmal_instance *instance)
if (!msg_context->handle) {
kfree(msg_context);
return NULL;
return ERR_PTR(-ENOMEM);
}
return msg_context;
@ -507,8 +507,8 @@ buffer_from_host(struct vchiq_mmal_instance *instance,
/* get context */
msg_context = get_msg_context(instance);
if (!msg_context) {
ret = -ENOMEM;
if (IS_ERR(msg_context)) {
ret = PTR_ERR(msg_context);
goto unlock;
}
@ -845,8 +845,8 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance,
}
msg_context = get_msg_context(instance);
if (!msg_context)
return -ENOMEM;
if (IS_ERR(msg_context))
return PTR_ERR(msg_context);
init_completion(&msg_context->u.sync.cmplt);