diff options
| author | Amol Lad <amol@verismonetworks.com> | 2006-09-30 23:29:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 00:39:32 -0700 |
| commit | a141a04330bd6eadf7081a0860dc786be7d09c46 (patch) | |
| tree | d493b835c4c204f55a96b556539743d708cb065b | |
| parent | be618f550cb499db263e2ce22c5ad4f4dbfd53e6 (diff) | |
| download | linux-a141a04330bd6eadf7081a0860dc786be7d09c46.tar.gz linux-a141a04330bd6eadf7081a0860dc786be7d09c46.tar.bz2 linux-a141a04330bd6eadf7081a0860dc786be7d09c46.zip | |
[PATCH] ioremap balanced with iounmap for drivers/serial/mpsc.c
ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.
Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/serial/mpsc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 63d2a66e563b..704243c9f78a 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -1893,6 +1893,10 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd) } else { mpsc_resource_err("SDMA base"); + if (pi->mpsc_base) { + iounmap(pi->mpsc_base); + pi->mpsc_base = NULL; + } return -ENOMEM; } @@ -1905,6 +1909,14 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd) } else { mpsc_resource_err("BRG base"); + if (pi->mpsc_base) { + iounmap(pi->mpsc_base); + pi->mpsc_base = NULL; + } + if (pi->sdma_base) { + iounmap(pi->sdma_base); + pi->sdma_base = NULL; + } return -ENOMEM; } |