insmod: check for module read errors
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c
index f4f17e7..188a7f2 100644
--- a/modutils/modprobe-small.c
+++ b/modutils/modprobe-small.c
@@ -205,6 +205,7 @@
/* Read (possibly compressed) module */
len = 64 * 1024 * 1024; /* 64 Mb at most */
module_image = xmalloc_open_zipped_read_close(pathname, &len);
+ /* module_image == NULL is ok here, find_keyword handles it */
//TODO: optimize redundant module body reads
/* "alias1 symbol:sym1 alias2 symbol:sym2" */
@@ -845,6 +846,8 @@
len = MAXINT(ssize_t);
map = xmalloc_open_zipped_read_close(*argv, &len);
+ if (!map)
+ bb_perror_msg_and_die("can't read '%s'", *argv);
if (init_module(map, len,
IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(options ? options : "")
IF_NOT_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE("")