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

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-11-01 20:57:34 +01:00
parent 5ed6989d80
commit 2cf4591413
1 changed files with 3 additions and 1 deletions
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4
miscutils/i2c_tools.c
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@ -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);