[PATCH 11/13] staging: lustre: return proper error code for libcfs_kkuc_msg_put

From: James Simmons
Date: Wed Dec 23 2015 - 16:25:53 EST


The functon libcfs_kkuc_msg_put() returns -ENOSYS which is not
correct. Return -ENXIO instead if the kuc header is corrupt.

Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
.../staging/lustre/lustre/obdclass/kernelcomm.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/kernelcomm.c b/drivers/staging/lustre/lustre/obdclass/kernelcomm.c
index 46cb81a..281cfd6 100644
--- a/drivers/staging/lustre/lustre/obdclass/kernelcomm.c
+++ b/drivers/staging/lustre/lustre/obdclass/kernelcomm.c
@@ -57,14 +57,14 @@ int libcfs_kkuc_msg_put(struct file *filp, void *payload)
ssize_t count = kuch->kuc_msglen;
loff_t offset = 0;
mm_segment_t fs;
- int rc = -ENOSYS;
+ int rc = -ENXIO;

if (!filp || IS_ERR(filp))
return -EBADF;

if (kuch->kuc_magic != KUC_MAGIC) {
CERROR("KernelComm: bad magic %x\n", kuch->kuc_magic);
- return -ENOSYS;
+ return rc;
}

fs = get_fs();
--
1.7.1

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