Fix a nullpointer dereference during legato mode (#1607)

derselbst · web-flow · commit 45f2a79f4265 · 2025-07-14T18:13:38.000+02:00
diff --git a/src/synth/fluid_synth_monopoly.c b/src/synth/fluid_synth_monopoly.c
@@ -410,7 +410,7 @@ int fluid_synth_noteoff_mono_LOCAL(fluid_synth_t *synth, int chan, int key)
                 fluid_channel_breath_msb(channel))
         {
             /* legato playing detection */
-            if(channel->mode  & FLUID_CHANNEL_LEGATO_PLAYING)
+            if (channel->mode & FLUID_CHANNEL_LEGATO_PLAYING && channel->preset != NULL)
             {
                 /* the list contains others notes */
                 if(i_prev >= 0)

Original file line number	Diff line number	Diff line change
`@@ -410,7 +410,7 @@ int fluid_synth_noteoff_mono_LOCAL(fluid_synth_t *synth, int chan, int key)`
`410`	`410`	`fluid_channel_breath_msb(channel))`
`411`	`411`	`{`
`412`	`412`	`/* legato playing detection */`
`413`		`- if(channel->mode & FLUID_CHANNEL_LEGATO_PLAYING)`
	`413`	`+ if (channel->mode & FLUID_CHANNEL_LEGATO_PLAYING && channel->preset != NULL)`
`414`	`414`	`{`
`415`	`415`	`/* the list contains others notes */`
`416`	`416`	`if(i_prev >= 0)`