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author | android-build-team Robot <android-build-team-robot@google.com> | 2018-10-19 16:24:52 +0000 |
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committer | android-build-team Robot <android-build-team-robot@google.com> | 2018-10-19 16:24:52 +0000 |
commit | 8552340b92cae81dfbb70308f34f257ec59d7af3 (patch) | |
tree | 6f3ec2f4ead9850513ca9e97b4bed3a57ceb0d7f | |
parent | 496070fdf69caf2e1be1607ef2f2782b3fa170a1 (diff) | |
parent | c2e37da22aadcdb4a5b7f61a61f824ab8e9b8af9 (diff) | |
download | vold-oreo-m7-release.tar.gz |
Merge cherrypicks of [5313339, 5313437, 5313318, 5313340, 5313282, 5313283, 5313438, 5313284, 5313341, 5313379, 5313380, 5313319, 5313320, 5313321, 5313285, 5313286, 5313287, 5313497, 5313439] into oc-m7-releaseandroid-8.1.0_r52oreo-m7-release
Change-Id: I5d2093bf934226c1113f2a96e1de445a8a1864aa
-rw-r--r-- | cryptfs.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/cryptfs.cpp b/cryptfs.cpp index 43c81777..e603c90c 100644 --- a/cryptfs.cpp +++ b/cryptfs.cpp @@ -2488,24 +2488,25 @@ int cryptfs_changepw(int crypt_type, const char *newpw) static unsigned int persist_get_max_entries(int encrypted) { struct crypt_mnt_ftr crypt_ftr; unsigned int dsize; - unsigned int max_persistent_entries; /* If encrypted, use the values from the crypt_ftr, otherwise * use the values for the current spec. */ if (encrypted) { if (get_crypt_ftr_and_key(&crypt_ftr)) { - return -1; + /* Something is wrong, assume no space for entries */ + return 0; } dsize = crypt_ftr.persist_data_size; } else { dsize = CRYPT_PERSIST_DATA_SIZE; } - max_persistent_entries = (dsize - sizeof(struct crypt_persist_data)) / - sizeof(struct crypt_persist_entry); - - return max_persistent_entries; + if (dsize > sizeof(struct crypt_persist_data)) { + return (dsize - sizeof(struct crypt_persist_data)) / sizeof(struct crypt_persist_entry); + } else { + return 0; + } } static int persist_get_key(const char *fieldname, char *value) |