gnucash maint: from_price and to_price may be uninitialized in extract_comon_prices

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/888676eb (commit)
	from  https://github.com/Gnucash/gnucash/commit/37afd65f (commit)



commit 888676eb31d0a942d1ee12dec4bd3767517d2bcb
Author: Hong Xu <hong at topbug.net>
Date:   Thu Apr 29 14:49:16 2021 -0700

    from_price and to_price may be uninitialized in extract_comon_prices
    
    Fix the compilation error on gcc 10:
    
        gnucash/libgnucash/engine/gnc-pricedb.c: In function ‘extract_common_prices’:
        gnucash/libgnucash/engine/gnc-pricedb.c:2469:40: error:
        to_price may be used uninitialized in this function [-Werror=maybe-uninitialized]
         2469 |     if (from_price == NULL || to_price == NULL)
               |                                        ^
               gnucash/libgnucash/engine/gnc-pricedb.c:2469:20:
               error: ‘from_price’ may be used uninitialized in this
               function [-Werror=maybe-uninitialized]
                2469 |     if (from_price == NULL || to_price == NULL)
                      |                    ^

diff --git a/libgnucash/engine/gnc-pricedb.c b/libgnucash/engine/gnc-pricedb.c
index fb3d59869..e8686b49f 100644
--- a/libgnucash/engine/gnc-pricedb.c
+++ b/libgnucash/engine/gnc-pricedb.c
@@ -2439,7 +2439,7 @@ extract_common_prices (PriceList *from_prices, PriceList *to_prices,
 {
     PriceTuple retval = {NULL, NULL};
     GList *from_node = NULL, *to_node = NULL;
-    GNCPrice *from_price, *to_price;
+    GNCPrice *from_price = NULL, *to_price = NULL;
 
     for (from_node = from_prices; from_node != NULL;
          from_node = g_list_next(from_node))



Summary of changes:
 libgnucash/engine/gnc-pricedb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)