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maint: avoid useless "if (foo) free(foo)" pattern

Browse source 
The free() and g_free() functions both happily accept
NULL on any platform QEMU builds on. As such putting a
conditional 'if (foo)' check before calls to 'free(foo)'
merely serves to bloat the lines of code.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Daniel P. Berrange 2015-08-26 12:17:18 +01:00 • committed by Michael Tokarev
parent 4595a48a10
commit ef1e1e0782
20 changed files with 39 additions and 93 deletions
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14
ui/spice-display.c
View file

@ -737,9 +737,7 @@ static void display_mouse_set(DisplayChangeListener *dcl,
qemu_mutex_lock(&ssd->lock);
ssd->ptr_x = x;
ssd->ptr_y = y;
if (ssd->ptr_move) {
g_free(ssd->ptr_move);
}
g_free(ssd->ptr_move);
ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on);
qemu_mutex_unlock(&ssd->lock);
}
@ -752,13 +750,9 @@ static void display_mouse_define(DisplayChangeListener *dcl,
qemu_mutex_lock(&ssd->lock);
ssd->hot_x = c->hot_x;
ssd->hot_y = c->hot_y;
if (ssd->ptr_move) {
g_free(ssd->ptr_move);
ssd->ptr_move = NULL;
}
if (ssd->ptr_define) {
g_free(ssd->ptr_define);
}
g_free(ssd->ptr_move);
ssd->ptr_move = NULL;
g_free(ssd->ptr_define);
ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, 0);
qemu_mutex_unlock(&ssd->lock);
}