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exofs: don't leak io_state and pages on read error

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Same bug as fixed by Idan for write_exec was in read_exec.
Fix the io_state leak and pages state on read error.

Also while at it:
The if (!pcol->read_4_write) at the error path is redundant
because all goto err; are after the if (pcol->read_4_write)
bale out.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
This commit is contained in:
Boaz Harrosh 2012-11-30 16:03:31 +02:00
parent af402ab2b0
commit 861d66601a
1 changed files with 5 additions and 5 deletions
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10
fs/exofs/inode.c
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@ -361,12 +361,12 @@ static int read_exec(struct page_collect *pcol)
return 0;
err:
if (!pcol->read_4_write)
_unlock_pcol_pages(pcol, ret, READ);
pcol_free(pcol);
if (!pcol_copy) /* Failed before ownership transfer */
pcol_copy = pcol;
_unlock_pcol_pages(pcol_copy, ret, READ);
pcol_free(pcol_copy);
kfree(pcol_copy);
return ret;
}