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-rw-r--r--util/nvramtool/cmos_lowlevel.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/util/nvramtool/cmos_lowlevel.c b/util/nvramtool/cmos_lowlevel.c
index 618e8d2b27..c46e48062d 100644
--- a/util/nvramtool/cmos_lowlevel.c
+++ b/util/nvramtool/cmos_lowlevel.c
@@ -112,6 +112,9 @@ static inline void put_bits(unsigned char value, unsigned bit,
* Read value from nonvolatile RAM at position given by 'bit' and 'length'
* and return this value. The I/O privilege level of the currently executing
* process must be set appropriately.
+ *
+ * Returned value is either (unsigned long long), or malloc()'d (char *)
+ * cast to (unsigned long long)
****************************************************************************/
unsigned long long cmos_read(const cmos_entry_t * e)
{
@@ -126,7 +129,7 @@ unsigned long long cmos_read(const cmos_entry_t * e)
if (e->config == CMOS_ENTRY_STRING) {
int strsz = (length + 7) / 8;
- char *newstring = alloca(strsz);
+ char *newstring = malloc(strsz);
unsigned usize = (8 * sizeof(unsigned long long));
if (!newstring) {