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authorJan Harkes <jaharkes@cs.cmu.edu>2007-07-19 01:48:41 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:48 -0700
commit38c2e4370da495813ca93d7cad31ed5090e8c310 (patch)
treebf48c4a17f3f2f7cf17a20e37f55f898a332a2c7 /fs/coda/psdev.c
parent18991197b4b588255ccabf472ebc84db7b66a19c (diff)
downloadop-kernel-dev-38c2e4370da495813ca93d7cad31ed5090e8c310.zip
op-kernel-dev-38c2e4370da495813ca93d7cad31ed5090e8c310.tar.gz
coda: do not grab an uninitialized fd when the open upcall returns an error
When open fails the fd in the response is uninitialized and we ended up taking a reference on the file struct and never released it. Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/coda/psdev.c')
-rw-r--r--fs/coda/psdev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 803aacf..09382d4 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -195,7 +195,8 @@ static ssize_t coda_psdev_write(struct file *file, const char __user *buf,
if (req->uc_opcode == CODA_OPEN_BY_FD) {
struct coda_open_by_fd_out *outp =
(struct coda_open_by_fd_out *)req->uc_data;
- outp->fh = fget(outp->fd);
+ if (!outp->oh.result)
+ outp->fh = fget(outp->fd);
}
wake_up(&req->uc_sleep);
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