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| author | Alexander Egorenkov <egorenar@linux.ibm.com> | 2023-01-27 14:52:42 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-01-30 14:40:50 +0100 |
| commit | 32e40f9506b9e32917eb73154f93037b443124d1 (patch) | |
| tree | a139024827e58c779fa0ecb0fc55d1f490f715eb | |
| parent | watchdog: diag288_wdt: do not use stack buffers for hardware data (diff) | |
| download | linux-32e40f9506b9e32917eb73154f93037b443124d1.tar.xz linux-32e40f9506b9e32917eb73154f93037b443124d1.zip | |
watchdog: diag288_wdt: fix __diag288() inline assembly
The DIAG 288 statement consumes an EBCDIC string the address of which is
passed in a register. Use a "memory" clobber to tell the compiler that
memory is accessed within the inline assembly.
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
| -rw-r--r-- | drivers/watchdog/diag288_wdt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/diag288_wdt.c b/drivers/watchdog/diag288_wdt.c index 2112eef69969..6ca5d9515d85 100644 --- a/drivers/watchdog/diag288_wdt.c +++ b/drivers/watchdog/diag288_wdt.c @@ -86,7 +86,7 @@ static int __diag288(unsigned int func, unsigned int timeout, "1:\n" EX_TABLE(0b, 1b) : "+d" (err) : "d"(__func), "d"(__timeout), - "d"(__action), "d"(__len) : "1", "cc"); + "d"(__action), "d"(__len) : "1", "cc", "memory"); return err; } |