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utils: boot-analysis: Make insmod message handling a bit more robust.

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This commit is contained in:
Richard W.M. Jones
2016-05-17 15:34:42 +01:00
parent 8a4dcde16a
commit 613fe4c089
1 changed files with 9 additions and 2 deletions
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11
utils/boot-analysis/boot-analysis-timeline.c
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@@ -48,13 +48,20 @@ static void construct_initcall_timeline (void);
static char *
translate_supermin_insmod_message (const char *message)
{
const char *p, *q;
char *ret;
assert (STRPREFIX (message, "supermin: internal "));
p = message + strlen ("supermin: internal ");
ret = strdup (message + strlen ("supermin: internal "));
/* Strip off the .ko and anything that follows. */
q = strstr (p, ".ko");
if (q == NULL)
error (EXIT_FAILURE, 0, "cannot find '.ko' suffix in '%s'", message);
ret = strndup (p, q-p);
if (ret == NULL)
error (EXIT_FAILURE, errno, "strdup");
error (EXIT_FAILURE, errno, "strndup");
return ret;
}