diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2016-01-12 12:49:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 09:16:21 +0300 |
| commit | 1fba6a594cfd1ea0f1fc8a97e22f43def1505d74 (patch) | |
| tree | 1e3c7d05a36f2f0df9140b14dda1022437a62bd1 | |
| parent | 75d611bf01737d8456093804377e5cb0a60a9038 (diff) | |
| download | linux-1fba6a594cfd1ea0f1fc8a97e22f43def1505d74.tar.xz | |
TTY: serial/mpsc, stop leaking mappings
When mpsc_routing_base, sdma_intr_base, mpsc_base, sdma_base, and
brg_base are mapped, they are never unmapped. The condition in the
free paths is always 'if (!XXX_base) { unmap }'. Fix it by inverting
the condition.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/mpsc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index cadfd1cfae2b..363772992acc 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -1870,12 +1870,12 @@ static int mpsc_shared_map_regs(struct platform_device *pd) static void mpsc_shared_unmap_regs(void) { - if (!mpsc_shared_regs.mpsc_routing_base) { + if (mpsc_shared_regs.mpsc_routing_base) { iounmap(mpsc_shared_regs.mpsc_routing_base); release_mem_region(mpsc_shared_regs.mpsc_routing_base_p, MPSC_ROUTING_REG_BLOCK_SIZE); } - if (!mpsc_shared_regs.sdma_intr_base) { + if (mpsc_shared_regs.sdma_intr_base) { iounmap(mpsc_shared_regs.sdma_intr_base); release_mem_region(mpsc_shared_regs.sdma_intr_base_p, MPSC_SDMA_INTR_REG_BLOCK_SIZE); @@ -2011,15 +2011,15 @@ err: static void mpsc_drv_unmap_regs(struct mpsc_port_info *pi) { - if (!pi->mpsc_base) { + if (pi->mpsc_base) { iounmap(pi->mpsc_base); release_mem_region(pi->mpsc_base_p, MPSC_REG_BLOCK_SIZE); } - if (!pi->sdma_base) { + if (pi->sdma_base) { iounmap(pi->sdma_base); release_mem_region(pi->sdma_base_p, MPSC_SDMA_REG_BLOCK_SIZE); } - if (!pi->brg_base) { + if (pi->brg_base) { iounmap(pi->brg_base); release_mem_region(pi->brg_base_p, MPSC_BRG_REG_BLOCK_SIZE); } |