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There are IS_ERR and PTR_ERR macros excplicitly use in the file
x509_public_key.c. If nobody includes <linux/err.h> before compiling this file,
one have got the comillation error [1].
Include <linux/err.h> directly fixes this issue.
[1]
---------------------------------------
compat/verification/x509_public_key.c: In function ‘x509_get_sig_params’:
compat/verification/x509_public_key.c:52:6: error: implicit declaration of function ‘IS_ERR’; did you mean ‘HW_ERR’? [-Werror=implicit-function-declaration]
52 | if (IS_ERR(tfm)) {
| ^~~~~~
| HW_ERR
compat/verification/x509_public_key.c:53:7: error: implicit declaration of function ‘PTR_ERR’ [-Werror=implicit-function-declaration]
53 | if (PTR_ERR(tfm) == -ENOENT) {
| ^~~~~~~
cc1: some warnings being treated as errors
make[6]: *** [scripts/Makefile.build:308: compat/verification/x509_public_key.o] Error 1
---------------------------------------
Related-to: ELB-2388
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
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