Re: [PATCH] mount.nfs: make nfs_{nfs,mount}_proto set errno on error

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Reviewed-by: Chuck Lever <chuck.lever@xxxxxxxxxx>

On 02/09/2010 10:04 AM, Jeff Layton wrote:
Have nfs_nfs_proto and nfs_mount_proto set errno to EPROTONOSUPPORT on
error. This helps default_value to display sane warning messages.

Signed-off-by: Jeff Layton<jlayton@xxxxxxxxxx>
---
  utils/mount/network.c |   24 ++++++++++++++++++------
  1 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/utils/mount/network.c b/utils/mount/network.c
index a12fbe2..f020933 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -1273,7 +1273,8 @@ nfs_nfs_version(struct mount_options *options, unsigned long *version)

  /*
   * Returns TRUE if @protocol contains a valid value for this option,
- * or FALSE if the option was specified with an invalid value.
+ * or FALSE if the option was specified with an invalid value. On
+ * error, errno is set.
   */
  int
  nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol)
@@ -1290,8 +1291,13 @@ nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol)
  		return 1;
  	case 2: /* proto */
  		option = po_get(options, "proto");
-		if (option != NULL)
-			return nfs_get_proto(option,&family, protocol);
+		if (option != NULL) {
+			if (!nfs_get_proto(option,&family, protocol)) {
+				errno = EPROTONOSUPPORT;
+				return 0;
+			}
+			return 1;
+		}
  	}

  	/*
@@ -1449,7 +1455,8 @@ nfs_mount_version(struct mount_options *options, unsigned long *version)

  /*
   * Returns TRUE if @protocol contains a valid value for this option,
- * or FALSE if the option was specified with an invalid value.
+ * or FALSE if the option was specified with an invalid value. On
+ * error, errno is set.
   */
  static int
  nfs_mount_protocol(struct mount_options *options, unsigned long *protocol)
@@ -1458,8 +1465,13 @@ nfs_mount_protocol(struct mount_options *options, unsigned long *protocol)
  	char *option;

  	option = po_get(options, "mountproto");
-	if (option != NULL)
-		return nfs_get_proto(option,&family, protocol);
+	if (option != NULL) {
+		if (!nfs_get_proto(option,&family, protocol)) {
+			errno = EPROTONOSUPPORT;
+			return 0;
+		}
+		return 1;
+	}

  	/*
  	 * MNT transport protocol wasn't specified.  If the NFS


--
chuck[dot]lever[at]oracle[dot]com
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux