i2c_tools: suppress "'blen' may be used uninitialized in this function"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index e19d851fe..aa1c7c5cc 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -909,7 +909,7 @@ int i2cdump_main(int argc UNUSED_PARAM, char **argv)
         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 @@ int i2cdump_main(int argc UNUSED_PARAM, char **argv)
 
         /* 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);