| Message ID | a1aa84a5-29d4-a4f0-0b2d-200fb49b12d5@paragon-software.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fs/ntfs3: Bugfix and refactoring | expand |
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index d24f2da36bb2..da739e509269 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -489,7 +489,12 @@ static ssize_t ntfs3_label_write(struct file *file, const char __user *buffer, int err; struct super_block *sb = pde_data(file_inode(file)); ssize_t ret = count; - u8 *label = kmalloc(count, GFP_NOFS); + u8 *label; + + if (sb_rdonly(sb)) + return -EROFS; + + label = kmalloc(count, GFP_NOFS); if (!label)
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> --- fs/ntfs3/super.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) return -ENOMEM;