[cairo-commit] src/cairo-scaled-font.c

[Chris Wilson]

 src/cairo-scaled-font.c |    2 ++
 1 file changed, 2 insertions(+)

New commits:
commit 37532b47c0ef6528fb6696fe97be337d9ad0a900
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Jun 7 15:14:31 2012 +0100

    scaled-font: Take lock around disposing of an empty page upon alloc failure
    
    Spotted by code inspection whilst looking at #50705
    
    References: https://bugs.freedesktop.org/show_bug.cgi?id=50705
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/cairo-scaled-font.c b/src/cairo-scaled-font.c
index 7ea3a21..fe22f54 100644
--- a/src/cairo-scaled-font.c
+++ b/src/cairo-scaled-font.c
@@ -2870,8 +2870,10 @@ _cairo_scaled_font_free_last_glyph (cairo_scaled_font_t *scaled_font,
     _cairo_scaled_glyph_fini (scaled_font, scaled_glyph);
 
     if (--page->num_glyphs == 0) {
+	CAIRO_MUTEX_LOCK (_cairo_scaled_glyph_page_cache_mutex);
 	_cairo_cache_remove (&cairo_scaled_glyph_page_cache,
 		             &page->cache_entry);
+	CAIRO_MUTEX_UNLOCK (_cairo_scaled_glyph_page_cache_mutex);
     }
 }