The load_features_file() function returned an int but calculated the
value by subtracting two pointers. On 64 bit systems, that results in a
64 bit value being represented as a 32 bit type.

Coverity CID #55992

Signed-off-by: Tyler Hicks <[email protected]>
---
 libraries/libapparmor/src/features.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libraries/libapparmor/src/features.c 
b/libraries/libapparmor/src/features.c
index 4cec6cb..088c4ea 100644
--- a/libraries/libapparmor/src/features.c
+++ b/libraries/libapparmor/src/features.c
@@ -92,8 +92,8 @@ static int features_snprintf(struct features_struct *fst, 
const char *fmt, ...)
  * ENOBUFS indicating that @buffer was not large enough to contain all of the
  * file contents.
  */
-static int load_features_file(int dirfd, const char *path,
-                             char *buffer, size_t size)
+static ssize_t load_features_file(int dirfd, const char *path,
+                                 char *buffer, size_t size)
 {
        autoclose int file = -1;
        char *pos = buffer;
@@ -156,7 +156,7 @@ static int features_dir_cb(int dirfd, const char *name, 
struct stat *st,
                return -1;
 
        if (S_ISREG(st->st_mode)) {
-               int len;
+               ssize_t len;
                int remaining = fst->size - (fst->pos - fst->buffer);
 
                len = load_features_file(dirfd, name, fst->pos, remaining);
@@ -175,8 +175,8 @@ static int features_dir_cb(int dirfd, const char *name, 
struct stat *st,
        return 0;
 }
 
-static int load_features_dir(int dirfd, const char *path,
-                            char *buffer, int size)
+static ssize_t load_features_dir(int dirfd, const char *path,
+                                char *buffer, int size)
 {
        struct features_struct fst = { buffer, size, buffer };
 
@@ -369,7 +369,7 @@ int aa_features_new(aa_features **features, int dirfd, 
const char *path)
 {
        struct stat stat_file;
        aa_features *f;
-       int retval;
+       ssize_t retval;
 
        *features = NULL;
 
-- 
2.9.3


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