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[xen staging-4.13] tools/libxc: report malloc errors in writev_exact



commit e596bf77d8d3c13d5c0db20d97aa1e1846add8a7
Author:     Olaf Hering <olaf@xxxxxxxxx>
AuthorDate: Wed Sep 23 08:48:40 2020 +0200
Commit:     Ian Jackson <iwj@xxxxxxxxxxxxxx>
CommitDate: Mon Nov 9 17:48:16 2020 +0000

    tools/libxc: report malloc errors in writev_exact
    
    The caller of writev_exact should be notified about malloc errors
    when dealing with partial writes.
    
    Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
    (cherry picked from commit 0d8d289af7a679c028462c4ed5d98586f9ef9648)
---
 tools/libxc/xc_private.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libxc/xc_private.c b/tools/libxc/xc_private.c
index 90974d572e..13a2c723c1 100644
--- a/tools/libxc/xc_private.c
+++ b/tools/libxc/xc_private.c
@@ -722,6 +722,7 @@ int writev_exact(int fd, const struct iovec *iov, int 
iovcnt)
                     if ( !local_iov )
                     {
                         saved_errno = ENOMEM;
+                        rc = -1;
                         goto out;
                     }
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging-4.13



 


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