kernel

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Luiz Sampaio 4daa9ff89e auxdisplay: charlcd: checking for pointer reference before dereferencing

Check if the pointer lcd->ops->init_display exists before dereferencing it.
If a driver called charlcd_init() without defining the ops, this would
return segmentation fault, as happened to me when implementing a charlcd
driver.  Checking the pointer before dereferencing protects from
segmentation fault.

Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

2021-11-24 11:46:52 +01:00

arm-charlcd.c

auxdisplay: Replace HTTP links with HTTPS ones

2020-08-08 16:10:03 +02:00

cfag12864b.c

auxdisplay: Replace symbolic permissions with octal permissions

2021-07-16 07:42:35 +02:00

cfag12864bfb.c

auxdisplay: cfag12864bfb: code indent should use tabs where possible

2021-10-22 00:13:16 +02:00

charlcd.c

auxdisplay: charlcd: checking for pointer reference before dereferencing