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authorShehjar Tikoo <shehjart@gluster.com>2011-01-13 03:38:51 +0000
committerAnand V. Avati <avati@dev.gluster.com>2011-01-13 09:46:51 -0800
commitf2a067c4fe92f7aefc5f64ea1e5b000c16af0946 (patch)
tree074b2a355e04ac0e1839171c09d8ac05e57c61ee
parent5368b898fad7264405275adc2092859e3c87c14e (diff)
nfs3: Handle root resolution failuresv3.1.2
..to prevent a second reply to the client which results in accessing a call state structure that gets freed on the first reply. Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 2286 ([glusterfs 3.1.2qa3]: Crash due to corruption in gf_dirent_free) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2286
-rw-r--r--xlators/nfs/server/src/nfs3-helpers.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/xlators/nfs/server/src/nfs3-helpers.c b/xlators/nfs/server/src/nfs3-helpers.c
index 05baee3..8697487 100644
--- a/xlators/nfs/server/src/nfs3-helpers.c
+++ b/xlators/nfs/server/src/nfs3-helpers.c
@@ -3116,11 +3116,7 @@ nfs3_fh_resolve_entry (nfs3_call_state_t *cs)
if (!cs)
return ret;
- ret = nfs3_fh_resolve_entry_hard (cs);
- if (ret < 0)
- nfs3_call_resume_estale (cs);
-
- return 0;
+ return nfs3_fh_resolve_entry_hard (cs);
}
@@ -3141,8 +3137,12 @@ nfs3_fh_resolve_resume (nfs3_call_state_t *cs)
ret = nfs3_fh_resolve_entry (cs);
err_resume_call:
- if (ret < 0)
+ if (ret < 0) {
+ cs->resolve_ret = -1;
+ cs->resolve_errno = EFAULT;
nfs3_call_resume (cs);
+ ret = 0;
+ }
return ret;
}
@@ -3162,11 +3162,11 @@ nfs3_fh_resolve_root_lookup_cbk (call_frame_t *frame, void *cookie,
cs->resolve_errno = op_errno;
if (op_ret == -1) {
- gf_log (GF_NFS3, GF_LOG_TRACE, "Lookup failed: %s: %s",
- cs->resolvedloc.path, strerror (op_errno));
+ gf_log (GF_NFS3, GF_LOG_TRACE, "Root lookup failed: %s",
+ strerror (op_errno));
goto err;
} else
- gf_log (GF_NFS3, GF_LOG_TRACE, "Entry looked up: %s",
+ gf_log (GF_NFS3, GF_LOG_TRACE, "Root looked up: %s",
cs->resolvedloc.path);
nfs3_set_root_looked_up (cs->nfs3state, &cs->resolvefh);