gfapi: Fix few fd ref leaks

From the code inspection, have observed that there are fd ref
leaks for few fd-based gfapi fops. 'glfs_resolve_fd' returns
a fd (either existing or migrated) with an extra ref taken.
This needs to be unref'ed at the end of the operation.

Change-Id: Id63394e3e7deafb0c8b06444f2ae847248b126db
BUG: 1379285
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
Reviewed-on: http://review.gluster.org/15573
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
This commit is contained in:
Soumya Koduri 2016-09-26 14:54:27 +05:30 committed by Niels de Vos
parent 4004e667ed
commit d27cffab67

View File

@ -601,6 +601,9 @@ glfs_seek (struct glfs_fd *glfd, off_t offset, int whence)
glfd->offset = off;
done:
if (fd)
fd_unref (fd);
glfs_subvol_done (glfd->fs, subvol);
out:
@ -931,6 +934,9 @@ pub_glfs_preadv_async (struct glfs_fd *glfd, const struct iovec *iovec,
offset, flags, NULL);
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);
@ -1246,6 +1252,9 @@ pub_glfs_pwritev_async (struct glfs_fd *glfd, const struct iovec *iovec,
ret = 0;
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);
@ -1430,6 +1439,9 @@ glfs_fsync_async_common (struct glfs_fd *glfd, glfs_io_cbk fn, void *data,
subvol->fops->fsync, fd, dataonly, NULL);
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);
@ -1681,6 +1693,9 @@ pub_glfs_ftruncate_async (struct glfs_fd *glfd, off_t offset, glfs_io_cbk fn,
ret = 0;
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);
@ -2537,6 +2552,9 @@ pub_glfs_discard_async (struct glfs_fd *glfd, off_t offset, size_t len,
ret = 0;
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);
@ -2622,6 +2640,9 @@ pub_glfs_zerofill_async (struct glfs_fd *glfd, off_t offset, off_t len,
subvol->fops->zerofill, fd, offset, len, NULL);
ret = 0;
out:
if (fd)
fd_unref (fd);
if (ret) {
if (glfd)
GF_REF_PUT (glfd);