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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-03 07:53:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-03 07:53:39 +0100 |
| commit | 44c94100b6fa83488337fe639eb7baba7dd93a91 (patch) | |
| tree | ffc60bdfe3a3f2f20359d2a7df8389f3ecf51d82 /fs/udf/unicode.c | |
| parent | 77df6d8d7298fd3fae12a646fd368fdcdb86152c (diff) | |
| parent | 2595646791c319cadfdbf271563aac97d0843dc7 (diff) | |
| download | kernel_replicant_linux-44c94100b6fa83488337fe639eb7baba7dd93a91.tar.gz kernel_replicant_linux-44c94100b6fa83488337fe639eb7baba7dd93a91.tar.bz2 kernel_replicant_linux-44c94100b6fa83488337fe639eb7baba7dd93a91.zip | |
Merge 4.20-rc5 into usb-next
We need the USB fixes into usb-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/udf/unicode.c')
| -rw-r--r-- | fs/udf/unicode.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 45234791fec2..5fcfa96463eb 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -351,6 +351,11 @@ try_again: return u_len; } +/* + * Convert CS0 dstring to output charset. Warning: This function may truncate + * input string if it is too long as it is used for informational strings only + * and it is better to truncate the string than to refuse mounting a media. + */ int udf_dstrCS0toChar(struct super_block *sb, uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len) { @@ -359,9 +364,12 @@ int udf_dstrCS0toChar(struct super_block *sb, uint8_t *utf_o, int o_len, if (i_len > 0) { s_len = ocu_i[i_len - 1]; if (s_len >= i_len) { - pr_err("incorrect dstring lengths (%d/%d)\n", - s_len, i_len); - return -EINVAL; + pr_warn("incorrect dstring lengths (%d/%d)," + " truncating\n", s_len, i_len); + s_len = i_len - 1; + /* 2-byte encoding? Need to round properly... */ + if (ocu_i[0] == 16) + s_len -= (s_len - 1) & 2; } } |