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staging: vchiq_core: Bailout if VCHIQ state is already initialized

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In case VCHIQ state is already initialized we need to bailout
in order to aovid a memory leak.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Wahren 2017-05-26 00:26:20 +02:00 committed by Greg Kroah-Hartman
parent 7c35c6af0c
commit 359afaccd9
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
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@ -2355,6 +2355,11 @@ vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_SLOT_ZERO_T *slot_zero,
"%s: slot_zero = %pK, is_master = %d",
__func__, slot_zero, is_master);
if (vchiq_states[0]) {
pr_err("%s: VCHIQ state already initialized\n", __func__);
return VCHIQ_ERROR;
}
/* Check the input configuration */
if (slot_zero->magic != VCHIQ_MAGIC) {