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insmod: check for module read errors

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-01-17 14:58:27 +01:00
parent 10ee20b58b
commit 094cc51e50
2 changed files with 5 additions and 2 deletions
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3
modutils/modprobe-small.c
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@@ -205,6 +205,7 @@ static void parse_module(module_info *info, const char *pathname)
/* 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 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
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("")