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authorFabian Frederick <fabf@skynet.be>2017-01-24 21:48:34 +0100
committerJan Kara <jack@suse.cz>2017-02-03 16:19:54 +0100
commit782deb2eecc018bfa278f7453f367e01f5479ccb (patch)
treeb4887a5da794933bf397b1ce3ab8411d76556337 /fs/udf/file.c
parent70f16cef06b5bf72d50b8016e1188995eddc073a (diff)
downloadlinux-stericsson-782deb2eecc018bfa278f7453f367e01f5479ccb.tar.gz
udf: fix ioctl errors
Currently, lsattr for instance in udf directory gives "udf: Invalid argument While reading flags on ..." This patch returns -ENOIOCTLCMD when command is unknown to have more accurate message like this: "Inappropriate ioctl for device While reading flags on ..." Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/file.c')
-rw-r--r--fs/udf/file.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c
index dbcb3a4a0cb9..87551b77933a 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -184,7 +184,8 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto out;
}
- if (!arg) {
+ if (!arg && ((cmd == UDF_GETVOLIDENT) || (cmd == UDF_GETEASIZE) ||
+ (cmd == UDF_RELOCATE_BLOCKS) || (cmd == UDF_GETEABLOCK))) {
udf_debug("invalid argument to udf_ioctl\n");
result = -EINVAL;
goto out;
@@ -220,6 +221,8 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
UDF_I(inode)->i_ext.i_data,
UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0;
goto out;
+ default:
+ return -ENOIOCTLCMD;
}
out: