The patch titled
ioremap balanced with iounmap for drivers/serial/mpsc.c
has been added to the -mm tree. Its filename is
ioremap-balanced-with-iounmap-for-drivers-serial-mpsc.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ioremap balanced with iounmap for drivers/serial/mpsc.c
From: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.
Signed-off-by: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Mark A. Greer <mgreer@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/serial/mpsc.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff -puN drivers/serial/mpsc.c~ioremap-balanced-with-iounmap-for-drivers-serial-mpsc drivers/serial/mpsc.c
--- a/drivers/serial/mpsc.c~ioremap-balanced-with-iounmap-for-drivers-serial-mpsc
+++ a/drivers/serial/mpsc.c
@@ -1893,6 +1893,10 @@ mpsc_drv_map_regs(struct mpsc_port_info
}
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
}
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;
}
_
Patches currently in -mm which might be from amol@xxxxxxxxxxxxxxxxxxx are
origin.patch
ioremap-balanced-with-iounmap-for-drivers-serial-8250_acorn.patch
ioremap-balanced-with-iounmap-for-drivers-serial-8250_gsc.patch
ioremap-balanced-with-iounmap-for-drivers-serial-ioc4_serial.patch
ioremap-balanced-with-iounmap-for-drivers-serial-ip22zilog.patch
ioremap-balanced-with-iounmap-for-drivers-serial-mpc52xx_uart.patch
ioremap-balanced-with-iounmap-for-drivers-serial-mpsc.patch
ioremap-balanced-with-iounmap-for-drivers-serial-mux.patch
ioremap-balanced-with-iounmap-for-drivers-serial-sunsu.patch
-
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