X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fext3%2Fxattr_security.c;h=ddc1c41750e1403ce32c202129bb46f4bc813f06;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=c948effaa25741fa103fbf7cb83268fbeecb201e;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c index c948effaa..ddc1c4175 100644 --- a/fs/ext3/xattr_security.c +++ b/fs/ext3/xattr_security.c @@ -12,17 +12,19 @@ #include "xattr.h" static size_t -ext3_xattr_security_list(char *list, struct inode *inode, - const char *name, int name_len) +ext3_xattr_security_list(struct inode *inode, char *list, size_t list_size, + const char *name, size_t name_len) { - const int prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1; + const size_t prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1; + const size_t total_len = prefix_len + name_len + 1; - if (list) { + + if (list && total_len <= list_size) { memcpy(list, XATTR_SECURITY_PREFIX, prefix_len); memcpy(list+prefix_len, name, name_len); list[prefix_len + name_len] = '\0'; } - return prefix_len + name_len + 1; + return total_len; } static int @@ -45,7 +47,7 @@ ext3_xattr_security_set(struct inode *inode, const char *name, value, size, flags); } -struct ext3_xattr_handler ext3_xattr_security_handler = { +struct xattr_handler ext3_xattr_security_handler = { .prefix = XATTR_SECURITY_PREFIX, .list = ext3_xattr_security_list, .get = ext3_xattr_security_get,