diff options
| author | Nihar Chaithanya <niharchaithanya@gmail.com> | 2024-12-31 00:26:28 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-07 15:38:55 +0100 |
| commit | 908ff8d49e725c6b29aa9fc2dbfd10fa87223492 (patch) | |
| tree | 67021e7580d40bcbef352e0855287b19829ad8f8 | |
| parent | 10ca8c3b51f7ad557fdd1953eaad8b5a91774ecd (diff) | |
staging: gpib: gpio: Return error value from gpib_register_driver()
The function gpib_register_driver() can fail and does not return an
error value if it fails.
Return the error value if gpib_register_driver() fails. Add pr_err()
statement indicating the fail and also the error value.
Signed-off-by: Nihar Chaithanya <niharchaithanya@gmail.com>
Link: https://lore.kernel.org/r/20241230185633.175690-9-niharchaithanya@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/gpib/gpio/gpib_bitbang.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/staging/gpib/gpio/gpib_bitbang.c b/drivers/staging/gpib/gpio/gpib_bitbang.c index a2d562cbd65b..057f9264de34 100644 --- a/drivers/staging/gpib/gpio/gpib_bitbang.c +++ b/drivers/staging/gpib/gpio/gpib_bitbang.c @@ -1341,7 +1341,12 @@ return_to_local : bb_return_to_local, static int __init bb_init_module(void) { - gpib_register_driver(&bb_interface, THIS_MODULE); + int result = gpib_register_driver(&bb_interface, THIS_MODULE); + + if (result) { + pr_err("gpib_bitbang: gpib_register_driver failed: error = %d\n", result); + return result; + } dbg_printk(0, "module loaded with pin map \"%s\"%s\n", pin_map, (sn7516x_used) ? " and SN7516x driver support" : ""); |