diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 6b1ce4efb591..ecee2864972d 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -270,7 +270,7 @@ static struct vfsmount *cifs_dfs_do_mount(struct dentry *mntpt, char *mountdata; char *devname; - devname = kstrndup(fullpath, strlen(fullpath), GFP_KERNEL); + devname = kstrdup(fullpath, GFP_KERNEL); if (!devname) return ERR_PTR(-ENOMEM); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 35dbb9c836ea..121d8b4535b0 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1778,9 +1778,7 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx, struct cifs_ses *ses) * for the request. */ if (is_domain && ses->domainName) { - ctx->domainname = kstrndup(ses->domainName, - strlen(ses->domainName), - GFP_KERNEL); + ctx->domainname = kstrdup(ses->domainName, GFP_KERNEL); if (!ctx->domainname) { cifs_dbg(FYI, "Unable to allocate %zd bytes for domain\n", len); @@ -3411,8 +3409,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx) goto error; } /* Save mount options */ - mntdata = kstrndup(cifs_sb->ctx->mount_options, - strlen(cifs_sb->ctx->mount_options), GFP_KERNEL); + mntdata = kstrdup(cifs_sb->ctx->mount_options, GFP_KERNEL); if (!mntdata) { rc = -ENOMEM; goto error; @@ -3485,7 +3482,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx) * links, the prefix path is included in both and may be changed during reconnect. See * cifs_tree_connect(). */ - cifs_sb->origin_fullpath = kstrndup(full_path, strlen(full_path), GFP_KERNEL); + cifs_sb->origin_fullpath = kstrdup(full_path, GFP_KERNEL); if (!cifs_sb->origin_fullpath) { rc = -ENOMEM; goto error; diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 098b4bc8da59..e4617ccf0a23 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -89,7 +89,7 @@ static int get_normalized_path(const char *path, char **npath) if (*path == '\\') { *npath = (char *)path; } else { - *npath = kstrndup(path, strlen(path), GFP_KERNEL); + *npath = kstrdup(path, GFP_KERNEL); if (!*npath) return -ENOMEM; convert_delimiter(*npath, '\\'); @@ -358,7 +358,7 @@ static struct cache_dfs_tgt *alloc_target(const char *name, int path_consumed) t = kmalloc(sizeof(*t), GFP_ATOMIC); if (!t) return ERR_PTR(-ENOMEM); - t->name = kstrndup(name, strlen(name), GFP_ATOMIC); + t->name = kstrdup(name, GFP_ATOMIC); if (!t->name) { kfree(t); return ERR_PTR(-ENOMEM); @@ -419,7 +419,7 @@ static struct cache_entry *alloc_cache_entry(const char *path, if (!ce) return ERR_PTR(-ENOMEM); - ce->path = kstrndup(path, strlen(path), GFP_KERNEL); + ce->path = kstrdup(path, GFP_KERNEL); if (!ce->path) { kmem_cache_free(cache_slab, ce); return ERR_PTR(-ENOMEM); @@ -531,7 +531,7 @@ static struct cache_entry *lookup_cache_entry(const char *path, unsigned int *ha char *s, *e; char sep; - npath = kstrndup(path, strlen(path), GFP_KERNEL); + npath = kstrdup(path, GFP_KERNEL); if (!npath) return ERR_PTR(-ENOMEM); @@ -641,7 +641,7 @@ static int __update_cache_entry(const char *path, if (ce->tgthint) { s = ce->tgthint->name; - th = kstrndup(s, strlen(s), GFP_ATOMIC); + th = kstrdup(s, GFP_ATOMIC); if (!th) return -ENOMEM; } @@ -786,11 +786,11 @@ static int setup_referral(const char *path, struct cache_entry *ce, memset(ref, 0, sizeof(*ref)); - ref->path_name = kstrndup(path, strlen(path), GFP_ATOMIC); + ref->path_name = kstrdup(path, GFP_ATOMIC); if (!ref->path_name) return -ENOMEM; - ref->node_name = kstrndup(target, strlen(target), GFP_ATOMIC); + ref->node_name = kstrdup(target, GFP_ATOMIC); if (!ref->node_name) { rc = -ENOMEM; goto err_free_path; @@ -828,7 +828,7 @@ static int get_targets(struct cache_entry *ce, struct dfs_cache_tgt_list *tl) goto err_free_it; } - it->it_name = kstrndup(t->name, strlen(t->name), GFP_ATOMIC); + it->it_name = kstrdup(t->name, GFP_ATOMIC); if (!it->it_name) { kfree(it); rc = -ENOMEM; @@ -1166,7 +1166,7 @@ int dfs_cache_add_vol(char *mntdata, struct smb3_fs_context *ctx, const char *fu if (!vi) return -ENOMEM; - vi->fullpath = kstrndup(fullpath, strlen(fullpath), GFP_KERNEL); + vi->fullpath = kstrdup(fullpath, GFP_KERNEL); if (!vi->fullpath) { rc = -ENOMEM; goto err_free_vi; diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 78889024a7ed..7652f73e1bcc 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -430,7 +430,7 @@ int smb3_parse_opt(const char *options, const char *key, char **val) if (nval == p) continue; *nval++ = 0; - *val = kstrndup(nval, strlen(nval), GFP_KERNEL); + *val = kstrdup(nval, GFP_KERNEL); rc = !*val ? -ENOMEM : 0; goto out; } diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 82e176720ca6..c15a90e422be 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -1180,7 +1180,7 @@ int update_super_prepath(struct cifs_tcon *tcon, char *prefix) kfree(cifs_sb->prepath); if (prefix && *prefix) { - cifs_sb->prepath = kstrndup(prefix, strlen(prefix), GFP_ATOMIC); + cifs_sb->prepath = kstrdup(prefix, GFP_ATOMIC); if (!cifs_sb->prepath) { rc = -ENOMEM; goto out; diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index e31b939e628c..85fa254c7a6b 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -926,9 +926,7 @@ cifs_unix_dfs_readlink(const unsigned int xid, struct cifs_tcon *tcon, 0); if (!rc) { - *symlinkinfo = kstrndup(referral.node_name, - strlen(referral.node_name), - GFP_KERNEL); + *symlinkinfo = kstrdup(referral.node_name, GFP_KERNEL); free_dfs_info_param(&referral); if (!*symlinkinfo) rc = -ENOMEM; diff --git a/fs/cifs/unc.c b/fs/cifs/unc.c index 394aa00cea40..f6fc5e343ea4 100644 --- a/fs/cifs/unc.c +++ b/fs/cifs/unc.c @@ -50,7 +50,6 @@ char *extract_sharename(const char *unc) { const char *src; char *delim, *dst; - int len; /* skip double chars at the beginning */ src = unc + 2; @@ -60,10 +59,9 @@ char *extract_sharename(const char *unc) if (!delim) return ERR_PTR(-EINVAL); delim++; - len = strlen(delim); /* caller has to free the memory */ - dst = kstrndup(delim, len, GFP_KERNEL); + dst = kstrdup(delim, GFP_KERNEL); if (!dst) return ERR_PTR(-ENOMEM);