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[PATCH] dm table split_args: handle no input

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Return sense if dm_split_args is called with a NULL input parameter.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Teigland 2006-06-26 00:27:31 -07:00 committed by Linus Torvalds
parent ce503f59ae
commit 814d68629b
1 changed files with 6 additions and 0 deletions
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6
drivers/md/dm-table.c
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@ -590,6 +590,12 @@ int dm_split_args(int *argc, char ***argvp, char *input)
unsigned array_size = 0; unsigned array_size = 0;
*argc = 0; *argc = 0;
if (!input) {
*argvp = NULL;
return 0;
}
argv = realloc_argv(&array_size, argv); argv = realloc_argv(&array_size, argv);
if (!argv) if (!argv)
return -ENOMEM; return -ENOMEM;