diff options
Diffstat (limited to 'fs/proc')
-rw-r--r-- | fs/proc/generic.c | 25 | ||||
-rw-r--r-- | fs/proc/vmcore.c | 8 |
2 files changed, 12 insertions, 21 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index de14e46fd807..3309f59d421b 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -350,29 +350,12 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp if (ret) return ret; - if (S_ISDIR(dp->mode)) { - dp->proc_fops = &proc_dir_operations; - dp->proc_iops = &proc_dir_inode_operations; - dir->nlink++; - } else if (S_ISLNK(dp->mode)) { - dp->proc_iops = &proc_link_inode_operations; - } else if (S_ISREG(dp->mode)) { - BUG_ON(dp->proc_fops == NULL); - dp->proc_iops = &proc_file_inode_operations; - } else { - WARN_ON(1); - proc_free_inum(dp->low_ino); - return -EINVAL; - } - spin_lock(&proc_subdir_lock); dp->parent = dir; if (pde_subdir_insert(dir, dp) == false) { WARN(1, "proc_dir_entry '%s/%s' already registered\n", dir->name, dp->name); spin_unlock(&proc_subdir_lock); - if (S_ISDIR(dp->mode)) - dir->nlink--; proc_free_inum(dp->low_ino); return -EEXIST; } @@ -431,6 +414,7 @@ struct proc_dir_entry *proc_symlink(const char *name, ent->data = kmalloc((ent->size=strlen(dest))+1, GFP_KERNEL); if (ent->data) { strcpy((char*)ent->data,dest); + ent->proc_iops = &proc_link_inode_operations; if (proc_register(parent, ent) < 0) { kfree(ent->data); kfree(ent); @@ -456,8 +440,12 @@ struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode, ent = __proc_create(&parent, name, S_IFDIR | mode, 2); if (ent) { ent->data = data; + ent->proc_fops = &proc_dir_operations; + ent->proc_iops = &proc_dir_inode_operations; + parent->nlink++; if (proc_register(parent, ent) < 0) { kfree(ent); + parent->nlink--; ent = NULL; } } @@ -493,6 +481,8 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode, return NULL; } + BUG_ON(proc_fops == NULL); + if ((mode & S_IALLUGO) == 0) mode |= S_IRUGO; pde = __proc_create(&parent, name, mode, 1); @@ -500,6 +490,7 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode, goto out; pde->proc_fops = proc_fops; pde->data = data; + pde->proc_iops = &proc_file_inode_operations; if (proc_register(parent, pde) < 0) goto out_free; return pde; diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index a90d6d354199..4e61388ec03d 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -546,8 +546,8 @@ static int __init update_note_header_size_elf64(const Elf64_Ehdr *ehdr_ptr) nhdr_ptr = notes_section; while (nhdr_ptr->n_namesz != 0) { sz = sizeof(Elf64_Nhdr) + - ((nhdr_ptr->n_namesz + 3) & ~3) + - ((nhdr_ptr->n_descsz + 3) & ~3); + (((u64)nhdr_ptr->n_namesz + 3) & ~3) + + (((u64)nhdr_ptr->n_descsz + 3) & ~3); if ((real_sz + sz) > max_sz) { pr_warn("Warning: Exceeded p_memsz, dropping PT_NOTE entry n_namesz=0x%x, n_descsz=0x%x\n", nhdr_ptr->n_namesz, nhdr_ptr->n_descsz); @@ -732,8 +732,8 @@ static int __init update_note_header_size_elf32(const Elf32_Ehdr *ehdr_ptr) nhdr_ptr = notes_section; while (nhdr_ptr->n_namesz != 0) { sz = sizeof(Elf32_Nhdr) + - ((nhdr_ptr->n_namesz + 3) & ~3) + - ((nhdr_ptr->n_descsz + 3) & ~3); + (((u64)nhdr_ptr->n_namesz + 3) & ~3) + + (((u64)nhdr_ptr->n_descsz + 3) & ~3); if ((real_sz + sz) > max_sz) { pr_warn("Warning: Exceeded p_memsz, dropping PT_NOTE entry n_namesz=0x%x, n_descsz=0x%x\n", nhdr_ptr->n_namesz, nhdr_ptr->n_descsz); |