[dm-devel] [RFC][PATCH 1/4] dm-log: fix io_client_destroy leak
Takahiro Yasui
tyasui at redhat.com
Wed Nov 26 00:01:37 UTC 2008
In create_log_context function, dm_io_client_destroy function needs
to be called, when memory allocation of disk_header, sync_bits and
recovering_bits failed, but dm_io_client_destroy is not called.
This patch fixes it.
Signed-off-by: Takahiro Yasui <tyasui at redhat.com>
---
drivers/md/dm-log.c | 5 +++++
1 file changed, 5 insertions(+)
Index: linux-2.6.28-rc4/drivers/md/dm-log.c
===================================================================
--- linux-2.6.28-rc4.orig/drivers/md/dm-log.c
+++ linux-2.6.28-rc4/drivers/md/dm-log.c
@@ -467,6 +467,7 @@ static int create_log_context(struct dm_
lc->disk_header = vmalloc(buf_size);
if (!lc->disk_header) {
DMWARN("couldn't allocate disk log buffer");
+ dm_io_client_destroy(lc->io_req.client);
kfree(lc);
return -ENOMEM;
}
@@ -483,6 +484,8 @@ static int create_log_context(struct dm_
if (!dev)
vfree(lc->clean_bits);
vfree(lc->disk_header);
+ if (dev)
+ dm_io_client_destroy(lc->io_req.client);
kfree(lc);
return -ENOMEM;
}
@@ -496,6 +499,8 @@ static int create_log_context(struct dm_
if (!dev)
vfree(lc->clean_bits);
vfree(lc->disk_header);
+ if (dev)
+ dm_io_client_destroy(lc->io_req.client);
kfree(lc);
return -ENOMEM;
}
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