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[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>
This commit is contained in:
Amol Lad 2006-09-30 23:29:24 -07:00 committed by Linus Torvalds
parent be618f550c
commit a141a04330
1 changed files with 12 additions and 0 deletions
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12
drivers/serial/mpsc.c
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@ -1893,6 +1893,10 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd)
} }
else { else {
mpsc_resource_err("SDMA base"); mpsc_resource_err("SDMA base");
if (pi->mpsc_base) {
iounmap(pi->mpsc_base);
pi->mpsc_base = NULL;
}
return -ENOMEM; return -ENOMEM;
} }
@ -1905,6 +1909,14 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd)
} }
else { else {
mpsc_resource_err("BRG base"); 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; return -ENOMEM;
} }