Arnd Bergmann cac037db24
nvmet: re-fix tracing strncpy() warning ...
[ Upstream commit 4ee7ffeb4ce50c80bc4504db6f39b25a2df6bcf4 ]
An earlier patch had tried to address a warning about a string copy with
missing zero termination:
drivers/nvme/target/trace.h:52:3: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
The new version causes a different warning with some compiler versions, notably
gcc-9 and gcc-10, and also misses the zero padding that was apparently done
intentionally in the original code:
drivers/nvme/target/trace.h:56:2: error: 'strncpy' specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
Change it to use strscpy_pad() with the original length, which will give
a properly padded and zero-terminated string as well as avoiding the warning.
Fixes: d86481e924arnd@arndb.de >
Signed-off-by: Keith Busch <kbusch@kernel.org >
Signed-off-by: Sasha Levin <sashal@kernel.org >
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cac037db24