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Subject[PATCH] [SCSI] mpt3sas: don't leak 'fw_event' in mpt3sas_send_trigger_data_event()
If we successfully allocate 'fw_event' but subsequently fail to
allocate 'fw_event->event_data' then we'll return from the function
without properly freeing 'fw_event'.
This patch takes care of that leak.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
---
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index a961fe1..e90fbf3 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -2518,8 +2518,10 @@ mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
if (!fw_event)
return;
fw_event->event_data = kzalloc(sizeof(*event_data), GFP_ATOMIC);
- if (!fw_event->event_data)
+ if (!fw_event->event_data) {
+ kfree(fw_event);
return;
+ }
fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
fw_event->ioc = ioc;
memcpy(fw_event->event_data, event_data, sizeof(*event_data));
--
1.7.1

--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.



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