Theodore Ts'o 2f2e09eb15 ext4: add sanity check to ext4_get_group_info()
The group number passed to ext4_get_group_info() should be valid, but
let's add an assert to check this before we start creating a pointer
based on that group number and dereferencing it.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2013-06-06 11:16:43 -04:00
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