d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check malloc succeeded in pic_create, with M_NOWAIT it may return NULL.

Browse Source 
Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2016-05-09 12:24:39 +00:00
parent 0754e66c54
commit b48c608386
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/subr_intr.c
View File

@ -871,6 +871,10 @@ pic_create(device_t dev, intptr_t xref)
return (pic);
}
pic = malloc(sizeof(*pic), M_INTRNG, M_NOWAIT | M_ZERO);
if (pic == NULL) {
mtx_unlock(&pic_list_lock);
return (NULL);
}
pic->pic_xref = xref;
pic->pic_dev = dev;
SLIST_INSERT_HEAD(&pic_list, pic, pic_next);