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author | Qasim Ijaz <qasdev00@gmail.com> | 2025-04-22 14:47:17 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-10 07:15:57 -0400 |
commit | 838ff899d64030b43866cc0238a6b70f22292a82 (patch) | |
tree | 43798e86e516aa7aa757cd0c8652276492f3b6d8 /drivers/usb/cdns3/cdns3-debug.h | |
parent | 4a047f2abc44fff24b353327487a5d6b284c4aa0 (diff) |
usb: typec: ucsi: fix Clang -Wsign-conversion warning
commit f4239ace2dd8606f6824757f192965a95746da05 upstream.
debugfs.c emits the following warnings when compiling with the -Wsign-conversion flag with clang 15:
drivers/usb/typec/ucsi/debugfs.c:58:27: warning: implicit conversion changes signedness: 'int' to 'u32' (aka 'unsigned int') [-Wsign-conversion]
ucsi->debugfs->status = ret;
~ ^~~
drivers/usb/typec/ucsi/debugfs.c:71:25: warning: implicit conversion changes signedness: 'u32' (aka 'unsigned int') to 'int' [-Wsign-conversion]
return ucsi->debugfs->status;
~~~~~~ ~~~~~~~~~~~~~~~^~~~~~
During ucsi_cmd() we see:
if (ret < 0) {
ucsi->debugfs->status = ret;
return ret;
}
But "status" is u32 meaning unsigned wrap-around occurs when assigning a value which is < 0 to it, this obscures the real status.
To fix this make the "status" of type int since ret is also of type int.
Fixes: df0383ffad64 ("usb: typec: ucsi: Add debugfs for ucsi commands")
Cc: stable@vger.kernel.org
Signed-off-by: Qasim Ijaz <qasdev00@gmail.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250422134717.66218-1-qasdev00@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-debug.h')
0 files changed, 0 insertions, 0 deletions