i2c_tools: suppress "'blen' may be used uninitialized in this function"
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index e19d851..aa1c7c5 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -909,7 +909,7 @@
unsigned first = 0x00, last = 0xff, opts;
int *block = (int *)bb_common_bufsiz1;
char *opt_r_str, *dash;
- int fd, res, blen;
+ int fd, res;
opt_complementary = "-2:?3"; /* from 2 to 3 args */
opts = getopt32(argv, optstr, &opt_r_str);
@@ -976,6 +976,8 @@
/* All but word data. */
if (mode != I2C_SMBUS_WORD_DATA || even) {
+ int blen = 0;
+
if (mode == I2C_SMBUS_BLOCK_DATA || mode == I2C_SMBUS_I2C_BLOCK_DATA)
blen = read_block_data(fd, mode, block);