Re: [PATCH v2 1/4] util: Modify virStorageFileGetSCSIKey return

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On Fri, Jan 18, 2019 at 09:42:34AM -0500, John Ferlan wrote:
Alter the "real" code to return -2 on virCommandRun failure.
Alter the comments and function header to describe the function
and it's returns.

*its


Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
src/util/virstoragefile.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index bd4b0274df..2511511d14 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1425,9 +1425,24 @@ int virStorageFileGetLVMKey(const char *path,
}
#endif

+

Unrelated whitespace change

#ifdef WITH_UDEV
-int virStorageFileGetSCSIKey(const char *path,
-                             char **key)
+/* virStorageFileGetSCSIKey
+ * @path: Path to the SCSI device
+ * @key: Unique key to be returned
+ *
+ * Using a udev specific function, query the @path to get and return a
+ * unique @key for the caller to use.
+ *
+ * Returns:
+ *     0 On success, with the @key filled in or @key=NULL if the
+ *       returned string was empty.
+ *    -1 When WITH_UDEV is undefined and a system error is reported
+ *    -2 When WITH_UDEV is defined, but calling virCommandRun fails
+ */
+int
+virStorageFileGetSCSIKey(const char *path,
+                         char **key)
{
    int status;
    virCommandPtr cmd = virCommandNewArgList("/lib/udev/scsi_id",

Reviewed-by: Ján Tomko <jtomko@xxxxxxxxxx>

Jano

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