diff options
| author | Wolfram Sang <wsa@kernel.org> | 2022-02-23 16:14:15 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2022-02-23 16:14:15 +0300 |
| commit | 24e3bb7429bde31e9a28a46ca2fd6deaab257c30 (patch) | |
| tree | e071e61748b5322e35033dbe0df8df5b027803d8 /drivers/tty/n_gsm.c | |
| parent | 8302532f47bb6c3aa1ed2043d30187ca307f176a (diff) | |
| parent | 509853f9e1e7b1490dc79f735a5dbafc9298f40d (diff) | |
| download | linux-24e3bb7429bde31e9a28a46ca2fd6deaab257c30.tar.xz | |
Merge tag 'irq-api-2022-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into i2c/for-mergewindow
Provide a tag for maintainers to pull the generic_handle_irq_safe() API.
Diffstat (limited to 'drivers/tty/n_gsm.c')
| -rw-r--r-- | drivers/tty/n_gsm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index ba27b274c967..0b1808e3a912 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -322,6 +322,7 @@ static int addr_cnt; #define GSM1_ESCAPE_BITS 0x20 #define XON 0x11 #define XOFF 0x13 +#define ISO_IEC_646_MASK 0x7F static const struct tty_port_operations gsm_port_ops; @@ -531,7 +532,8 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len) int olen = 0; while (len--) { if (*input == GSM1_SOF || *input == GSM1_ESCAPE - || *input == XON || *input == XOFF) { + || (*input & ISO_IEC_646_MASK) == XON + || (*input & ISO_IEC_646_MASK) == XOFF) { *output++ = GSM1_ESCAPE; *output++ = *input++ ^ GSM1_ESCAPE_BITS; olen++; |