diff options
| author | Greg Kurz <gkurz@linux.vnet.ibm.com> | 2016-02-25 19:02:18 +0100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-02-28 16:19:02 +1100 |
| commit | ce266b75febdeee5b91ab630a7158ddff3e002fb (patch) | |
| tree | fcb0bda0d987f0fa22714f474e984a7de1525ce2 /linux-headers | |
| parent | d4a63ac8b19eb208465f27fde63f3cff7018fdfd (diff) | |
spapr_pci: fix irq leak in RTAS ibm,change-msi
This RTAS call is used to request new interrupts or to free all interrupts.
If the driver has already allocated interrupts and asks again for a non-null
number of irqs, then the rtas_ibm_change_msi() function will silently leak
the previous interrupts.
It happens because xics_free() is only called when the driver releases all
interrupts (!req_num case). Note that the previously allocated spapr_pci_msi
is not leaked because the GHashTable is created with destroy functions and
g_hash_table_insert() hence frees the old value.
This patch makes sure any previously allocated MSIs are released when a
new allocation succeeds.
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'linux-headers')
0 files changed, 0 insertions, 0 deletions