I2C: OMAP2+: Set hwmod flags to only allow 16-bit accesses to i2c

[pandora-kernel.git] / lib / flex_array.c

diff --git a/lib/flex_array.c b/lib/flex_array.c
index 0c33b24..854b57b 100644 (file)
--- a/lib/flex_array.c
+++ b/lib/flex_array.c
@@ -253,9 +253,16 @@ int flex_array_prealloc(struct flex_array *fa, unsigned int start,
        unsigned int end;
        struct flex_array_part *part;
 
+       if (!start && !nr_elements)
+               return 0;
+       if (start >= fa->total_nr_elements)
+               return -ENOSPC;
+       if (!nr_elements)
+               return 0;
+
        end = start + nr_elements - 1;
 
-       if (start >= fa->total_nr_elements || end >= fa->total_nr_elements)
+       if (end >= fa->total_nr_elements)
                return -ENOSPC;
        if (elements_fit_in_base(fa))
                return 0;
@@ -346,6 +353,8 @@ int flex_array_shrink(struct flex_array *fa)
        int part_nr;
        int ret = 0;
 
+       if (!fa->total_nr_elements)
+               return 0;
        if (elements_fit_in_base(fa))
                return ret;
        for (part_nr = 0; part_nr < FLEX_ARRAY_NR_BASE_PTRS; part_nr++) {