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Lucas De Marchi 743f8cae54 module: Override -EEXIST module return

The -EEXIST errno is reserved by the module loading functionality. When
userspace calls [f]init_module(), it expects a -EEXIST to mean that the
module is already loaded in the kernel. If module_init() returns it,
that is not true anymore.

Override the error when returning to userspace: it doesn't make sense to
change potentially long error propagation call chains just because it's
will end up as the return of module_init().

Closes: https://lore.kernel.org/all/aKLzsAX14ybEjHfJ@orbyte.nwl.cc/
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Aaron Tomlin <atomlin@atomlin.com>
Cc: Petr Pavlu <petr.pavlu@suse.com>
Cc: Daniel Gomez <da.gomez@samsung.com>
Cc: Phil Sutter <phil@nwl.cc>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Lucas De Marchi <demarchi@kernel.org>
[Sami: Fixed a typo.]
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

2026-04-04 00:04:42 +00:00

debug_kmemleak.c

module: prepare to handle ROX allocations for text

2024-11-07 14:25:15 -08:00

decompress.c

module/decompress: Avoid open-coded kvrealloc()

2025-12-22 16:35:54 +00:00

dups.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

internal.h

module: deprecate usage of *_gpl sections in module loader