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fs/binfmt_elf.c: don't free interpreter's ELF pheaders on common path 

Static executables don't need to free NULL pointer.

It doesn't matter really because static executable is not common scenario
but do it anyway out of pedantry.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200219185330.GA4933@avx2
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2020-04-06 20:11:32 -07:00 committed by Linus Torvalds
parent 0693ffebcf
commit aa0d1564b1
1 changed files with 1 additions and 1 deletions
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2
fs/binfmt_elf.c
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@ -1076,6 +1076,7 @@ out_free_interp:
fput(interpreter);
kfree(interp_elf_ex);
kfree(interp_elf_phdata);
} else {
elf_entry = e_entry;
if (BAD_ADDR(elf_entry)) {
@ -1084,7 +1085,6 @@ out_free_interp:
}
}
kfree(interp_elf_phdata);
kfree(elf_phdata);
set_binfmt(&elf_format);