Commit cba44359 authored by Marcin Slusarz's avatar Marcin Slusarz Committed by Linus Torvalds
Browse files

udf: fix udf_add_free_space

In commit 742ba02a

 (udf: create common
function for changing free space counter) by accident I reversed safety
condition which lead to null pointer dereference in case of media error and
wrong counting of free space in normal situation
Signed-off-by: default avatarMarcin Slusarz <>
Cc: Jan Kara <>
Acked-by: default avatarCyrill Gorcunov <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent e28d80f1
......@@ -145,7 +145,7 @@ static bool udf_add_free_space(struct udf_sb_info *sbi,
struct logicalVolIntegrityDesc *lvid;
if (sbi->s_lvid_bh)
if (sbi->s_lvid_bh == NULL)
return false;
lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
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