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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>
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1 changed files with 12 additions and 0 deletions
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@ -1893,6 +1893,10 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd)
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}
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else {
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mpsc_resource_err("SDMA base");
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if (pi->mpsc_base) {
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iounmap(pi->mpsc_base);
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pi->mpsc_base = NULL;
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}
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return -ENOMEM;
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}
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@ -1905,6 +1909,14 @@ mpsc_drv_map_regs(struct mpsc_port_info *pi, struct platform_device *pd)
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}
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else {
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mpsc_resource_err("BRG base");
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if (pi->mpsc_base) {
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iounmap(pi->mpsc_base);
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pi->mpsc_base = NULL;
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}
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if (pi->sdma_base) {
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iounmap(pi->sdma_base);
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pi->sdma_base = NULL;
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}
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return -ENOMEM;
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}
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