summaryrefslogtreecommitdiff
path: root/arch/um/os-Linux
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2023-02-12 20:32:04 +0100
committerRichard Weinberger <richard@nod.at>2023-04-20 22:57:00 +0200
commitce1831fe2febf7a3a03fda43b41d7589caa022cd (patch)
tree2ddaaeba64174861ffffb465f469bd31f7c8f80f /arch/um/os-Linux
parent7e364e56293bb98cae1b55fd835f5991c4e96e7d (diff)
um: add __weak for exported functions
If the exported glibc functions don't exist, we get link failures. Avoid that by adding __weak so they're allowed to not exist. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/os-Linux')
-rw-r--r--arch/um/os-Linux/user_syms.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index fd575ecbcaec..54722c7f884f 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -39,7 +39,7 @@ EXPORT_SYMBOL(printf);
* good; so the versions of these symbols will always match
*/
#define EXPORT_SYMBOL_PROTO(sym) \
- int sym(void); \
+ int sym(void) __weak; \
EXPORT_SYMBOL(sym);
extern void readdir64(void) __attribute__((weak));