Commit 45eb6fb6 authored by Eric Blake's avatar Eric Blake Committed by Peter Maydell
Browse files

nbd/server: Silence gcc false positive 



The code has a while() loop that always initialized 'end', and
the loop always executes at least once (as evidenced by the assert()
just prior to the loop).  But some versions of gcc still complain
that 'end' is used uninitialized, so silence them.

Signed-off-by: default avatarEric Blake <eblake@redhat.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Message-id: 20180622125814.345274-1-eblake@redhat.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent c74b91ac

nbd/server.c

+2 −1
Original line number Diff line number Diff line
@@ -1937,7 +1937,7 @@ static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset, 
                                      unsigned int nb_extents,

                                      bool dont_fragment)

{

    uint64_t begin = offset, end;

    uint64_t begin = offset, end = offset;

    uint64_t overall_end = offset + *length;

    unsigned int i = 0;

    BdrvDirtyBitmapIter *it;
@@ -1977,6 +1977,7 @@ static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset, 


    bdrv_dirty_bitmap_unlock(bitmap);



    assert(offset > end);

    *length = end - offset;

    return i;

}