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: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/scsi/fdomain.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletion(-)
diff -puN drivers/scsi/fdomain.c~ioremap-balanced-with-iounmap-drivers-scsi-fdomainc drivers/scsi/fdomain.c
--- a/drivers/scsi/fdomain.c~ioremap-balanced-with-iounmap-drivers-scsi-fdomainc
+++ a/drivers/scsi/fdomain.c
@@ -779,7 +779,11 @@ found:
else printk( " FAILURE\n" );
#endif
- if (!flag) return 0; /* iobase not found */
+ if (!flag) {
+ if (bios_mem)
+ iounmap(bios_mem);
+ return 0; /* iobase not found */
+ }
*irq = fdomain_get_irq( base );
*iobase = base;
_
-
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